Roach Control

Illustration of a German cockroach in front of a car driving up a road

Getting Cockroaches Out of Your Car

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Your car might be the last place you expect to find roaches but they can hide and survive there just as well as in a house. In this printable step-by-step guide, we’ll show you how to get rid of cockroaches in your car and keep them out for good.



  • Flashlight
  • Strong portable vacuum, with crevice attachment
  • Car cleaning wipes or spray
  • Sticky traps
  • Cockroach Gel Bait
  • Insect Growth Regulator
  • Borax or Diatomaceous Earth (DE)


What signs to look for in your car:

  1. Living (or dead) cockroaches.
  2. A musty, oily odor.
  3. Cockroach droppings

Inspect at-risk areas

  1. Move the seats as far out of the way as possible, sliding them back and then forward to check underneath. Raising each seat helps, too. Use a knee pad to make kneeling on the ground more comfortable while you search.
  2. Remove the floor mats in the front and back and check for roaches underneath. On light-colored fabrics, you might also find dark roach droppings or reddish-brown eggs or egg cases.
  3. Empty the trunk and take out any removable storage covers. Use a flashlight to inspect the spare tire or tools compartment.

Clean and clear the entire car

  1. Start by clearing out everything in your car, including clothes, bags, papers and garbage. Place it all in a large garbage bag. Empty the glove compartment, too.
  2. Then, use a strong, portable vacuum to suck up dirt, crumbs and any roach droppings, eggs or body parts from all surfaces. If you don’t have a small vacuum, you can probably find one at your local car wash.
  3. Don’t forget to wipe out cup holders, door pockets and other spaces that often collect dust, crumbs and spills.

Treat your car with effective insecticides

  1. Apply 5 to 10 small drops of a good gel bait in different areas of the car. Using too much will cause the roaches to avoid it. Drops should be 2 to 3 feet apart.
  2. Use sticky traps to help control a small number of roaches. However, gel bait is your best choice for killing the colony for good.
  3. Try an application of Insect Growth Regulator (IGR) for stubborn cockroach problems.
  4. Choose a natural cockroach killer, such as borax or diatomaceous earth, to avoid using chemicals (or in addition to a gel bait). Sprinkle a fine layer of the powder onto carpets and in the trunk.

Protect your car from roach invaders

  1. Keep your car’s windows and doors closed while it’s parked, especially if you’re near the woods.
  2. Check grocery and shopping bags for hidden roaches before loading them into your car.
  3. Thoroughly inspect any garage or yard sale items, especially furniture, before transporting it. Roaches frequently hide in items long sitting in storage.
  4. Check suitcases and laundromat clothes baskets for roach hitchhikers.
  5. Carry firewood in bags. Sprinkle a small amount of borax or DE after you’ve carried any outdoor equipment in your car.
  6. Clean regularly. Vacuum your car at least once a month. For a boost of freshness in your car, shampoo the mats once or twice per year. Use your favorite air freshener to take your mind off of pest control and put your focus back on the road.


The toxicity of gel baits, IGR, boric acid, and DE is low, but you don't want pets or children eating or touching it. If you transport children or pets, take precautions to keep cockroach killers out of reach.

It could take several gel bait treatments to eliminate a moderate infestation.

Avoid using roach foggers or bug bombs, as they’re ineffective and much more dangerous than the other methods discussed above.

Roaches are the last thing you should have to worry about in your car. Unfortunately, once these disgusting pests have settled in, what started as a small problem can often get much worse.

We’re going to show you exactly how to get rid of roaches in car interiors—permanently, and in a few simple steps.

Ready to quit riding shotgun with roaches and really make it stick?

Let’s go!

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The Problem: How Do Roaches Get in Your Car, Anyway?

Let’s be clear. Cockroaches are the worst kind of passengers. They stink, go to the bathroom everywhere, and carry types of bacteria that could potentially make you and your passengers very, very sick.

Most people understand that, and while few of us would ever knowingly invite roaches into our cars, the fact is that they rarely end up there without some kind of human help.


Roaches by nature are not only good at infesting our stuff, they’re also expert hitchhikers inside the things we tote around. They can hide in almost anything we buy, borrow, carry, or wear, and can hide their eggs in those things, too.

Shopping bags for example, can easily become an entry point, and if you’re unlucky enough to be handed an infested bag of groceries at the store, you could soon be in for a hideous, long-lasting surprise.

Roaches also ride in suitcases, yard sale boxes, purses and backpacks, clothes from the laundromat and other places—all of which usually make a pit stop in your car before you bring them home.

Once inside your car, roaches will stick around for the cereal your kids dropped under the seat, the hamburger wrapper you thought you threw away, and all the other tasty treats that eventually got lost inside your car.

Needing very little to survive, and delighting in all the delicious crumbs you’ve left them, roaches will happily settle in for the long term, and quickly start to breed.

How To Get Roaches Out of Car Interiors with the “Special Ops” Approach

Cartoon illustration of a special ops operation for cockroach control in a car

When you get serious about ending a roach problem, there’s something that’s important to understand: roaches are extremely good at what they do, and they don’t go down without a fight.

For car roaches that means setting aside the illusion of instant or effortless solutions (we’re looking at you, worthless roach bombs), in favor of a targeted, tactical, (what we call) Special Ops approach.

A Special Ops approach hits roaches hard in a couple of different ways. It takes a little more work at the beginning, and yes—a little bit more time, but it kills roaches more completely and for the much longer term.

The first important step in Special Ops is finding where the cockroaches are hiding in your car.

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Special Ops 1. How to Get Roaches Out of Your Car by Identifying Where They Hang Out

Finding the disgusting cockroach hideouts in your car does more than toughen up your character. It shows you exactly where you’re going to bring the fight.

The best way to begin this little task is with an exercise you’ll hear some exterminators refer to as “thinking like a roach.”

How to Think Like a Roach

Thinking like a roach is really pretty simple in a car, and sounds something like “Boy, I’m hungry. Where are all the crumbs?”

Thinking like a roach will probably lead you first to the space beneath the seats, where all crumbs, straw wrappers, empty water bottles and loose change fall, never to be seen again. You’d be surprised (unless you’re a parent) at just how much “food” collects down there —making it the perfect place for an ever-growing cockroach nest.

Next stop: the floor mats. Whether you’ve got plastic mats or fabric carpets, the stains and crumbs on top are typically only half the story. Underneath, check for tiny, car-loving German roaches or even tinier roach eggs. Flat and small, these bugs and the eggs they lay are perfectly designed to live and multiply, literally right underneath your feet.

The trunk holds plenty of areas where cockroaches like hiding, too. You might even have storage space or a spare tire compartment under the floor of the trunk that could be harboring them in large numbers.

Finally, roach thinking should lead you to areas like the tire-changing tool compartments, door pockets, glove compartment, air conditioning vents, and that fast-food-bag-turned-garbage-receptacle wedged between the seats.

Now that you’ve raided the roaches’ potential hideouts, it’s time to target those areas in two specific steps—

Special Ops 2. How to Get Rid of Roaches in Your Car by Hitting Target Areas Hard

The next part of Special Ops is taking what you learned about your tiny enemy’s comfy lifestyle and turning it against them: First taking away everything they love about your car, then killing them where they live.

Step 1: How to Make Your Car a Lousy Place For Roaches

While there’s nothing like a roach-infested car to turn one’s thoughts to murder, it’s not quite time to exterminate the little buggers yet.

What you’ll need to do first is to clean and clear out your car, removing anything and everything that could potentially provide a food source to a roach.

If you haven’t already removed the carpets, opened compartments and slid the seats out of the way, do it now. Then get in there with the best vacuum you can find and vacuum your car—every nook, cranny, crack and crevice.

If you don’t have a portable vacuum, drive to the nearest car wash. Most have powerful vacuums available for a few quarters. The vacuum is key because it’ll suck up even the tiniest crumbs from carpet fibers and let you reach into tight areas you wouldn’t be able to reach with your hand.

Then, clear out everything you could possibly live without.

Sure, if your car tends to look a little like a closet, you’re not alone. But all that clutter makes it easy for cockroaches to hide and breed. Empty your car of clothes, food containers, shopping bags and everything else that inevitably collects, piles up, and takes over.

Tip: If you use a van, truck or SUV to carry equipment, building supplies or cargo like mulch, firewood and recycling, you’re at high risk of a roach infestation. If your vehicle carries outdoor materials, be especially careful and clean as often as possible.

Step 2: How to Kill Roaches in Car Interiors Minus the Useless Bomb

We already mentioned that you shouldn’t use a bug bomb in your car, so we should probably tell you why.

For one thing, those bombs can stain and discolor your upholstery and headliner, leaving your car not only full of roaches, but looking worse than it did before.

And though a great big burst of fog might sound great for reaching every nook and cranny, it doesn’t always reach those places, or reach them with a lethal dose. The result is a car which still has roaches which have been driven more deeply in.

A better way to kill cockroaches in a car is a product called gel bait. Gel bait is a sort of sneaky secret weapon that’s applied in tiny amounts in or near the trouble spots you identified and vacuumed earlier. And it works in two exciting ways.

First, it entices roaches to eat it, slowly killing those that do. Then it spreads to others in the colony as they consume their fallen kin. A quality cockroach bait is so powerful that just a few drops can wipe out nearly every single cockroach in a car, often within a matter of days.

A suggested second step for a really bad infestation is an application of insect growth regulator (IGR) which not only attacks any cockroach nymphs that survived a round of baiting, but stimulates the entire colony to eat more bait. Pairing IGR with bait, you can completely eliminate even the worst car cockroach infestation within a single short-lived generation.

The Alternative Approach: How to Get Rid of Cockroaches in a Car Naturally

If you’re hesitant to start putting chemicals under your seats, you’ll be happy to know there are also a couple of effective natural ways to get rid of cockroaches in your car.

Diatomaceous earth (DE) is an excellent cockroach killing product and it’s virtually non-toxic. Simply sprinkle a thin layer onto carpets and under seats. It kills cockroaches when they walk through it—they don’t even have to eat it!

Borax is another natural powder that kills roaches. Boric acid, which is made from the same mineral, works too! Roaches have to eat this one though, so mix it with a little peanut butter to make it tasty, fill some bottle caps with the mixture, and slip them deep underneath your seats.

What Happens if my Pets Eat This Stuff?

Luckily, the products we suggest aren’t nearly as toxic to pets as they are to roaches. Most of the ingredients found in gel baits are food-based, IGR formulas haven’t been found to be dangerous for pets, and when borax and diatomaceous earth are used in the slight quantities recommended, they shouldn’t present any harm.

That being said, please take care to limit the amount of product that you use, and place them where pets or children can’t reach them.

Tips to Prevent Cockroaches in Your Car

Easy Mode: Close the windows.

Yes, cockroaches are hitchhikers, but some like wood roaches are little explorers, too. Many can climb steep surfaces. And some can fly. Keep car doors and windows closed to keep them out. Avoid parking near wooded areas if you can and be careful at the local dump.

Inspect after trips to a hotel, campsite or yard sale.

You can’t avoid carrying luggage, boxes and the occasional bag of mulch in your car but you can be proactive and take a good look in the trunk after you’ve dropped everything off.

Spa Day: Treat your car to a wash and vacuum.

Keep your car clean! And every few weeks take ten minutes to remove the mats, vacuum the carpets and toss any garbage that’s collected. For the finishing touch, fill a bag with all of the things that you’ve “been meaning to” take into the house and take it into the house (of course, checking everything for roaches first).

Starve Them Out

Really want to break a cockroach’s heart? Avoid eating in the car and ask others not to do it either. Without all those food crumbs raining down, roaches will have nothing left to eat but each other.


Somehow, our cars don’t always get the same careful treatment as our homes. But cars are still at risk for roach infestations and it’s just as important to protect them.

Now that you know how to get rid of roaches in car interiors, it’s time to get to work.

Let’s go!

Frequently Asked Questions

Will I need a professional pest control service for my car?

It’s unlikely that a roach infestation will grow so large in your car that you’ll need professional help. Since it’s a confined space, there are only so many places where they can spread.
Using a combination of cleaning, gel baits, IGR if necessary, or natural alternatives, you should be able to eliminate roaches in a car yourself.


  1. Azuma, Tsukasa (2018) How To Get Rid Of Roaches Out Of Car – The Nifty Tricks. Car From Japan. Retrieved from https://carfromjapan.com/article/car-maintenance/how-to-get-rid-of-roaches-out-of-car/
Illustration of n Oriental cockroach under a magnifying glass on the floor of a cellar

How to Find Cockroaches

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Total Time: 1 hour

If you find a cockroach in your home, you'll want to act fast. Cockroaches not only hide so well you're unlikely to ever see most of them, but multiply quickly. In this printable step-by-step guide you're going to discover how to find a cockroach infestation, beginning with kitchen and bathroom areas - two hot spots for roach infestations.


  • Old clothing
  • Ziploc bag


Here's what you'll be looking for: The signs that cockroaches leave behind:

  1. Roach droppings and body parts
  2. Cockroach eggs
  3. Dead or living roaches
  4. A pungent, oily odor

In the Kitchen

  1. Use a strong, easily held flashlight to look behind and underneath the refrigerator. If possible, move the fridge to get an unobstructed view of the floor.
  2. Inspect the back of the refrigerator, especially the coils and motor area where roaches often congregate around the warmth.
  3. Look behind and underneath the stove. Lift the stove top and inspect the burner areas.
  4. Look behind, underneath, and around the microwave, coffee maker, or other counter top appliances.
  5. Look underneath the dishwasher and into any gaps on either side.
  6. Using your step stool, remove food and other contents from your cupboards. Examine the surface of each shelf, including undersides and rear corners. Before putting items back, examine them closely, too.
  7. Open all drawers and remove contents. Inspect all items and surfaces, including roller and slider fixtures.
  8. Open up under-sink cabinets and remove any items stored there. Examine interior surfaces, pipes, the holes where pipes enter, and the underside of your kitchen sink.

In the Bathroom

  1. Open your bathroom cabinets or vanity and remove the contents. Check surfaces, especially those with drips or condensation. Check water and drain pipes, especially where they attach to the sink.
  2. Examine all other exposed pipes and gaps where they emerge from walls.
  3. Examine sink and bathtub drains.
  4. Check gaps, cracks, and holes around bathtubs, showers, and toilets.
  5. Using your step stool, check bathroom vents, vent covers, and flaps.

Around the House

  1. Check behind pictures, posters, wall hangings, and wall-mounted clocks.
  2. Examine the surfaces of electrical outlets, light switches, and electric baseboard heaters.
  3. Examine wall paper, especially areas that are loose, curled, or pulling free.
  4. Check areas that have lots of paper - saved newspapers, magazine collections, collections of books, old photographs, or cardboard boxes. Really poke around.
  5. Using your step stool, look inside overhead light fixtures and check around the motor areas of ceiling fans.


Use a paint brush to brush debris samples onto a white index card. This can help you isolate roach debris from typical dust, crumbs, or dirt. If you find a dead cockroach or a cockroach egg, place it in a Ziploc bag to either identify it later, or to show to a pest control professional.

Shopping for a roach bait gel? Congratulations! You’ve already caught onto what’s possibly the best, most effective way to kill cockroaches and eliminate infestations.

Now, you’re faced with a choice: which bait should you buy? Let’s take a look at how gel baits work and what goes into a good bait to help you choose the best product for your situation.

A Simple 5-Step Guide For Getting Rid of Roaches

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Cockroach Gel Bait: An Overview

Gel bait (codename: cockroach killer gel, for its lethal potency) isn’t just used by homeowners. It’s used by professionals, beating out necessities like sprays and roach traps as exterminators’ favorite tool.

How cockroach gel works

Roach gel does more than kill the occasional roach scurrying across the floor; it attracts roaches to find and eat its poisonous ingredients, inviting them to their last meals.

Gel baits are more strategic weapons than roach killer sprays or the end of a broomstick. Their killer feature: they spread their pesticides from roach to roach and throughout the colony, reducing the population from within and resulting in a quicker kill.

How effective is roach gel?

Gel bait is extremely effective at killing both large and small roaches. It has transformed the pest control industry and brought serious power directly to consumers. It’s even successful against the most notorious small roach invader: the German cockroach.

In one study, a single application of an insecticide gel for roaches eliminated 99% of German cockroaches in one month. Even after just the first week, nearly 3/4 of the roaches had been killed!

Gel baits eliminate cockroaches in a variety of residential and commercial settings, including hotels, schools, hospitals, warehouses, restaurants and food handling facilities, supermarkets, commercial and industrial buildings.

How to Use Cockroach Gel Bait

But where cockroach gel really shines is in homes and businesses. You can use these products to deal with your cockroach problem just like the professionals.

Using a gel bait comes down to 3 simple steps:

  1. Choose your gel bait.
  2. Apply on surfaces and in cracks and crevices.
  3. Monitor and reapply.

1. Choose your gel bait.

Good gel bait isn’t designed to kill on contact like a bug killer spray. Instead, baits have delayed effects to allow one roach to spread the insecticide to others.

Common active ingredients in gel baits include hydramenthylnon, fipronil and imidacloprid. Most products work against all of the usual roach suspects. Research has shown imidacloprid to be especially effective against German cockroaches.

Gel bait comes in two forms: liquid gel and bait stations. Bait stations are small plastic cartridges that hold the gel inside them. Both forms are useful—bait stations avoid any mess but gel bait can be dropped into tiny spaces.

How do you know if your bait is going to work? Well, one exterminator has a good test but… you’re not going to want to try it:

If you can hand-feed the cockroaches your bait, you are going to gain control.”6

Talk about getting your hands dirty! A better test is keeping a close eye on the amount of bait left after each night. The more bait that’s eaten, the better it’s working. On the other hand, if the bugs don’t seem to be eating the bait, it’s time to try a different product.

One of the most common (and highly regarded) bait brands is Advion. Among gel bait products, Advion cockroach gel bait is the most popular for a few reasons. It uses a non-repellent formula so it strongly attracts roaches with no hint of chemicals.

Additionally, the active ingredient, indoxacarb, was the first insecticide to remain toxic after being passed on to not one but two more cockroaches. For every one roach that dies from the bait, several more could ingest the insecticide by feeding on the first, and several more could die by feeding on them! That’s exponential pest control!

2. Apply the gel on surfaces and in cracks and crevices.

To pack the hardest punch, apply gel bait close to areas roaches frequent (such as the crevices where roaches hide). Each day, only some of the bugs will emerge to search for food, so the closer the bait is to them, the better.

When using roach killer gel, place small, pea-sized drops of the gel. That lets the roaches eat the bait without feeling threatened or confused by lots of strange goo.

If you’re facing a large infestation, place drops about 3 inches apart in several locations. For smaller colonies, drops can be 2 to 3 feet apart. 5 to 10 drops spread throughout a home should be enough to kill small to moderate roach infestations.

As long as the evidence is there, focus on the kitchen and bathroom—they’re the most likely cockroach hiding spots.

3. Monitor and reapply

Once you’ve applied the bait, the waiting game begins. During this time, it’s tricky to know if the bait is working. You shouldn’t see dead roaches lying around the bait; that’s a sign that the insecticide is killing them too quickly—not what you want.

Gel will have to be reapplied regularly (especially if it’s working well—i.e., being eaten). On the other hand, bait stations are fine to leave in place for months, as long as there’s still bait left inside.

How long does it take for roach killer gel to work?

You could start seeing dead roaches within a matter of hours, and should start to see significant results within a week. After a month, over 90% of roaches could be dead. At that point, you’ll see very few emerging from hiding. Still, you should continue to apply tiny drops of gel bait until you stop seeing roach activity.

How do I know if the roach bait is working?

The number one sign is fewer cockroaches out in the open. You should also find fewer droppings (if that’s been a problem).

Remember to keep an eye on the bait. At first, if it’s disappearing quickly, that’s a good sign—the roaches are taking it and it should be doing its job. Later, as it kills the pests, you should find more left over when it’s time to reapply.

Pro Tips: What Not to Do When Using Gel Bait

Although roach bait gel is extremely effective and fairly easy to use, there are a few ways you might step on your own toes.

Don’t use too much gel.

You shouldn’t apply cockroach gel bait as if it were caulk, spreading it in thick layers or packing holes with it. It’s potent stuff; you only need a little. Plus, roaches are sensitive to perceived danger. Too much bait might scare them away and spread the infestation further.5

It’s best to drop only very small amounts, spread out across the target area. This avoids spooking the roaches or causing them to move to avoid the bait altogether.

Don’t cancel out the bait with repellents.

When using other products in combination with a gel bait, it’s important not to counteract the attractive bait by using repellents or bad-tasting sprays. Additionally, don’t spray household cleaners near the bait. We know you’re dying to disinfect, but if a cockroach catches a whiff of chemicals instead of the smell of tasty bait, it’ll flee and never come back for more.

Don’t forget about cockroach eggs.

Roach eggs aren’t affected by baits because the bait has to be eaten. Until they hatch, eggs are perfectly safe from your secret weapon. It’s important to persist with the bait, even after it seems most of the roaches have died. There could be eggs lying in wait, ready to restart the whole roach problem.

Buy fresh bait.

Found an old, faded bottle of roach bait in the closet of the apartment you’re renting? It’s probably lost its strong odor and won’t be as effective as a fresh bottle. Remember, the roaches have to want it. You’re better off buying fresh, delicious-smelling bait that they won’t be able to resist.

Roach Bait Gel as a Part of Your Pest Control System

Successfully eliminating cockroaches is a multi-step process. First, you have to identify their entry points and hiding places. Then, try to locate the nest and determine what species of roaches you’re dealing with.

Next up is your roach bait, which will reduce the existing population. Diatomaceous earth is a fantastic natural roach killer that works great as a sidekick for your bait.

Finally, it’s important to keep roaches away with good prevention techniques: cleaning, organizing and sealing. Roaches enter homes for food, water and a hiding place. By sweeping, vacuuming and cleaning dishes, you remove their food sources. Make sure you’re sealing up pantry items, too.

Decluttering removes potential hiding places inside and outside: cardboard boxes, old paper items, woodpiles, fallen leaves and more. Sealing up any holes, cracks or spaces in the exterior walls of your home prevents roaches from getting inside and starting trouble.

You can kill roaches with a gel bait but if you skip the rest of what makes a pest control plan successful, there’s a good chance they’ll come back to try again.


When it comes to getting rid of roaches, bait gels are some of the most powerful products available. Pick up a good gel bait, follow our tips and your roach problems will be a distant memory in no time!

You’ve got this!

Frequently Asked Questions

Do roaches come back after extermination?

There’s always a chance that roaches could return, finding new entry points from outside or hatching from eggs you hadn’t known were there when you took care of the adults. If they do, add a few drops of gel bait to deal with the new invaders. Then, do an even more thorough inspection of the outside of your home—they’re finding a way in somehow. Finding and sealing that entry point is the key to keeping them out.

Does roach bait attract more roaches?

Roach bait won’t attract more roaches to your home. It might bring more out into the open as the bait makes the bugs want to feed on it but it will inevitably kill those that do emerge. If it seems to attract more from various hiding places, it only means it’s doing its job.

How long does roach gel last?

Gel insecticide for roaches remains effective even after the gel dries. You can expect it to remain effective for up to two weeks after application, after which if necessary, you can re-apply.


  1. State of the Cockroach Market (2019) Zoecon/Central Life Sciences.
  2. Wang, Changlu et al. (2013) Baiting for Success. Pest Control Technology: Annual Cockroach Control Issue. Retrieved from https://www.researchgate.net/publication/265795191_Baiting_for_success
  3. Pollick, Michael (2020) The best roach bait. Chicago Tribune. Retrieved from https://www.chicagotribune.com/consumer-reviews/sns-bestreviews-tools-the-best-roach-bait–20200319-zasr4ez75zhyliny2j6tld4tsy-story.html
  4. Indoxacarb Insecticide Wipes Out Entire Cockroach Generations (2008) Science 2.0. Retrieved from https://www.science20.com/news_releases/indoxacarb_insecticide_wipes_out_entire_cockroach_generations
  5. 2019 State of the Cockroach Control Market. Syngenta.
  6. 2019 Cockroach Management Supplement. Pest Management Professional.
  7. Baniardalani, Mojgan et al. (2019) Toxicity of imidacloprid and chlorpyrifos against German cockroaches Blattella germanica. International Journal of One Health. Retrieved from www.doi.org/10.14202/IJOH.2019.107–112

Eliminating cockroaches doesn’t have to mean using harmful chemicals and putting your family and pets at risk.

Instead, use all-natural, non-toxic diatomaceous earth! Roaches don’t stand a chance against this dust and all you have to do is sprinkle it wherever you’ve seen them. It’s safe, cheap and easy to use!

Ready to learn the “how-to’s” of diatomaceous earth roach control? Let’s get started.

A Simple 5-Step Guide For Getting Rid of Roaches

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Diatomaceous Earth Basics: What It Is and Where It Comes From

Diatomaceous earth (DE) is a fine dust created by grinding up the fossilized shells of diatoms, microscopic ocean organisms. It’s like sand but much finer and made of only one material.

Fun fact: If you thought there were a lot of cockroaches in the world, there are even more diatoms. They produce over 20% of all of the oxygen we breathe. Diatoms have existed for at least 200 million years—leave it to an organism that’s nearly as old as cockroaches themselves to be their weakness!

What do you use diatomaceous earth for?

DE is an ingredient in hundreds of products, from hardware and paint to personal care and even food. You’ll probably see the term “food grade” used with DE. Food grade diatomaceous earth is finer than other types—and it’s the kind you want to use.

Does Diatomaceous Earth Kill Roaches? Yes!

Diatomaceous earth kills a variety of insects, including cockroaches, fleas, ticks, bed bugs and more.

As both a preventative measure and an insecticide, it’s a fantastic home remedy for killing roaches. It seems too good to be true… but diatomaceous earth really works!

How Does Diatomaceous Earth Kill Cockroaches?

Diatomaceous earth powder is sharp, abrasive and breaks down the waxy layer of the cockroach’s hard exoskeleton, killing it through dehydration. When they walk through diatomaceous earth, roaches carry away some of the DE that clings to the tiny hairs on their legs. They typically die later, back at their nest.

Diatomaceous Earth & Cockroaches: Putting DE Powder to Use

One of the benefits of DE powder is its versatility. It’s easy to sprinkle or spray it behind appliances, under furniture, inside cupboards and even outside! Use DE in the kitchen on countertops and in cupboards. Since it’s easy to clean up with a vacuum, diatomaceous earth works for roaches in cars and trucks, too.

We recommend using a duster to apply diatomaceous earth. You don’t have to buy a specialized pest control duster, though; you can make your own duster by poking or drilling holes in the top of a 2-liter soda bottle. Then, simply fill it about halfway with DE dust, twist on the cap and squeeze to spray the dust through the holes.

Bonus: Do you like a dash of powdered sugar on your French toast or pancakes? Use that handy sugar shaker to sprinkle your DE mixture (but remember to wash it thoroughly after you’re done)!

In a pinch, you can also spread DE with a scoop. Maybe you have one for pet food or you got one with a bucket of ice melt—you can always use a spoon, (washing them later, of course) too!

How to Use Diatomaceous Earth for Roaches, Step-By-Step

Step 1: Clean and dry. DE needs to be dry to kill cockroaches. If you decide to clean before applying the DE, give the area a few minutes to dry. If the humidity is too high in your attic, basement or bathroom, use fans to reduce moisture before applying DE.

Step 2: Spread a thin coating. Apply a light coating of the DE dust on surfaces and in crevices where you’ve seen evidence of cockroaches. Focus on areas like the backsides of stoves, refrigerators, and other appliances where the bugs can find crumbs and other food sources. You can treat bathrooms and closets, too, if they’re not too humid.

Step 3: Hit roaches’ entry points. Dust inside of tiny spaces, including cracks, outlets and gaps around wiring. You’d be surprised at the number of places roaches can come from.

Step 4: Treat inside wall voids. If you find any cracks or holes leading into the walls, there’s a good chance roaches could be hiding in there. Luckily, your duster bottle makes it easy to blow the dust right through the hole. (If there’s no opening, drill a small hole near the ground or behind a decoration.)

Step 5: Try diatomaceous earth outside. Spread DE in the mulch, garden soil and grass around the perimeter of your house without worrying about damaging your landscaping! Just like you did inside, sprinkle a thin layer and let it do its job. Just try to pick out a few dry days from the weather forecast!

If you have a crawl space or similar space beneath your house (or under a deck, for example), roaches could nest there. One simple solution is to pour a pile of DE right at the entrance. Then, use a leaf blower or large fan to quickly dust the whole interior of the space. When spraying that much DE, wear a mask and goggles to avoid irritation.

Step 6: Repeat and, hopefully, relax. Keep an eye on the places you’ve treated—the DE might need to be refreshed from time to time, depending on the conditions and the size of the cockroach infestation you’re fighting.

If it rains or seems too humid, you’ll have to reapply. If you’re facing a lot of roaches, try dusting twice per week. One study saw up to 80% effectiveness within 72 hours but a large infestation will take more ammunition.

Cleaning up DE is as easy as applying it.

Clean up diatomaceous earth by simply sweeping, wiping and vacuuming. Use a damp towel to wipe it off of surfaces and a broom and dustpan to sweep it off of wood and tile floors. Anywhere there’s carpeting, a vacuum will do the trick! Best of all, it doesn’t leave any dangerous chemicals behind.

Make Diatomaceous Earth a Part of Your Total Pest Control Plan

Diatomaceous earth doesn’t have to be your only tool against cockroaches. It works even better in combination with other treatments.

Use gel baits along walls and save the DE for tiny cracks and crevices. Or, treat the inside of your home with DE and the outside with a residual spray.

Want another natural insecticide to use alongside DE? Boric acid (and the similar borax) is a similar-looking powdered roach killer that makes a solid sidekick for DE.

Boost your roach control plan further by using natural cockroach repellents in the areas where you’re not dusting with diatomaceous earth. Cockroaches will be driven away from these areas—possibly right into your DE minefields!

Finally, every pest control system has to include good cleaning and organizational habits to take away roaches’ food sources and some of their favorite hiding places. DE will eliminate your existing problem; your long-term game plan is prevention.

Caution: DE Can Still Cause Irritation

Diatomaceous earth is non-toxic for mammals and safe to use in almost every situation. However, you should still use caution when you have small children or pets in the house. They might try to play with or eat the DE, which isn’t seriously harmful but could cause itchiness and dry eyes.

Inhaling DE also isn’t toxic but breathing in too much of the dust could cause coughing and leave you with a sore throat. It’s better to protect yourself with goggles and a mask.


DE is a proven and easy-to-use part of a total pest control plan. With just a duster and some diatomaceous earth in your arsenal, roaches won’t know what hit them!

Good luck!

Frequently Asked Questions

Can you use too much of a DE roach killer?

Too much DE in one area is bad—it could scare the roaches away and spread the infestation into other areas of your house. Only use a thin coating that they won’t detect.

How long will it take diatomaceous earth to work?

Diatomaceous earth isn’t an instant solution but you should start to see results within two weeks. DE doesn’t kill insects on contact so they might not die until they’ve returned to their nest. You might not see the dead roaches but you should notice fewer living ones.

Longer infestations will take more time to eliminate. Don’t forget to reapply!

Will diatomaceous earth kill roaches and their eggs, too?

Diatomaceous earth doesn’t kill roach eggs but it will kill the nymphs as soon as they hatch.

Are there special considerations when using diatomaceous earth for German roaches vs. American or Oriental roaches?

Luckily, DE works for all species of cockroaches. The only difference would be placement of the diatomaceous earth. German roaches for example, often collect in kitchens, while Oriental and American species may harbor more in bathrooms and basement areas.


  1. Bunch, T. R. et al. (2013) Diatomaceous Earth General Fact Sheet. National Pesticide Information Center. Retrieved from http://npic.orst.edu/factsheets/degen.html
  2. Ogg, Barb et al. (2006) Cockroach Control Manual. University of Nebraska-Lincoln Extension.
  3. Hosseini, Seyyed Akbar et al. (2014) The insecticidal effect of diatomaceous earth against adults and nymphs of Blattella germanica. Asian Pacific Journal of Tropical Biomedicine. Retrieved from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4025297/

Looking for the best roach bomb to eliminate an infestation in your home? You’ll find dozens of these products in stores advertising themselves as cheap, quick, “no-mess” solutions to your cockroach problems.

What if we told you that roach bombs and foggers aren’t effective against cockroaches?

There’s a better, cleaner and safer way to get rid of roaches. It’s not a product; it’s a game plan.

Ready for a powerful and effective roach removal system that you can start today? Let’s go.

A Simple 5-Step Guide For Getting Rid of Roaches

“Print or Follow on Your Phone. It’s FREE!”

Roach Bombs Just Don’t Work Very Well

They have many names—roach foggers, bug bombs, insect foggers—and make many claims, from killing cockroaches fast to reaching deep into crevices and even neutralizing odors. They rarely meet expectations.

Some call themselves “no-mess” products that work just about anywhere—houses, garages, attics, basements. When you activate a roach bomb, it sprays pesticides up toward the ceiling, letting the poisonous chemical mist settle onto all surfaces in its range. Imagine that—a canister that literally sprays pesticides across a room being a “no-mess” product! Not likely.

Despite clever and determined marketing, research has found little evidence to back up these products’ claims.

3 primary downsides make them less than effective:

1. Bug bombs for roaches rarely reach into cracks, crevices and other hiding places.

Are roach bombs effective? Not really. Basically, they throw a bunch of toxic chemicals into the air and hope to reach the tiny holes, crevices, and enclosed spaces where roaches hide. Usually, it doesn’t work.

A 2019 study found that store-bought roach bombs were completely ineffective at reducing German cockroach populations. Indoor bug bombs fail because they’re not sufficiently deep-reaching, and don’t hit the problem at its source: the roach’s nest. Even if foggers manage to kill a few cockroaches caught in the spray, they won’t have a long term effect.

2. Pyrethrin, a common cockroach bomb ingredient, doesn’t kill many cockroaches.

Pyrethrin (the active ingredient in many bug bombs) works against mosquitoes, flies and some other flying insects but it’s not consistently toxic to roaches or similar household pests. While it might flush roaches out of their hiding places, it’s fair to assume the last thing you want after using a cockroach bomb is to come home to see dozens of roaches emerging from walls and scurrying around the house.

3. Roaches might be frightened into hiding by a bug bomb.

If the roaches don’t frantically evacuate after you bomb a house for roaches, they might run for their lives in the opposite direction: deeper into crevices. Some products’ ingredients end up repelling roaches, making the infestation more difficult to eliminate.

Other Downsides to Using Roach Bombs

Cockroach foggers aren’t quick and easy solutions, despite what their marketing says. You, your family and all of your pets will have to leave your house for several hours, at least. You can’t stay in the house, even if you’re only bombing one room.

The dream would be spending an afternoon at the park or the mall as a fogger kills bugs in every corner of your home. The reality, though, is you’re going to return to hours of cleanup and not much difference otherwise.

You’ll have to cover all of your clothes and delicate furniture before activating the roach fogger. After it’s safe to return home, you’ll need to clean everything within range—up to 7,000 cubic feet! That means washing kitchen supplies, living room fabrics, furniture, pet toys and supplies, floors, walls and everything in between. You should wash sheets if you fogged near a bedroom, too.

A Roach killer bomb is not safe for people or pets. It’s vital that you wipe away all of the insecticide residue that might have settled in areas where your pets can reach. Pyrethrin can be especially toxic to fish and other water pets.

As if the cleanup weren’t bad enough, roach bombs can be explosive. In several instances, roach bombs caused explosions in homes when pilot lights ignited the gasses they emit. Even cigarette lighters have ignited roach fogger fumes.

Overall, roach bombs and insect foggers have proven to be ineffective and unnecessarily dangerous. Some indoor fogger products advertise use in cars but that’s not a great idea, either.

Luckily, there is a much better, safer and cleaner solution that will get rid of cockroaches for good.

Introducing… your step-by-step roach elimination game plan!

The Best Roach Bomb is a Strategic Game Plan

We’re not selling anything; we only want to clear up the confusion surrounding bug bombs and recommend a system that works and that you can start using today.

Here’s the breakdown:

  1. Trap and Bait
  2. Natural Insecticides
  3. Repel and Prevent
  4. Call for Backup (If needed)

Let’s dig into the details.

1. Use traps to find roaches and baits to kill them.

Your game plan starts with an inspection. It’s important to search floors, walls and cupboards for crevices where roaches can hide. Using a flashlight and a handheld mirror can help you see behind appliances and under furniture.

Sticky traps are a good first step because they’ll help you measure the size of the infestation and find where most of the roaches are hiding. Place them along walls where roaches are likely to travel. Other signs include roach droppings (which look like coffee grounds) and foul, musty odors, which roaches produce.

Once you’ve narrowed down your target areas, you can start using a gel bait product to eliminate the roach colony efficiently and, more importantly, at the source.

The same 2019 study that showed the disappointing roach bomb results also found that gel baits caused “significant declines in the cockroach populations.”

Gel bait (and bait stations) attract roaches, deliver a dose of a pesticide, then linger on the roach’s legs and in its digestive system until it dies back at its nest. There, as other roaches eat it, they eat some of the poison, too.

Baits are vastly better than roach bombs because they eliminate cockroach problems from the source.

2. Add natural cockroach killers for a one-two pest control punch.

You can try staying away from chemicals entirely or use natural roach killers alongside a gel bait to boost your offense. Natural solutions include food-grade diatomaceous earth (DE) and boric acid, both of which are deadly to roaches.

To use them, simply mix the powder with an equal part of sugar or flour (to attract the roaches) and sprinkle a thin layer in small areas where you think the roaches frequently walk.

You should refresh the coating every day or several days, depending on the size of the infestation.

3. Build your defense with repellents and good cleaning habits.

Once you have the existing roaches under control, it’s vital that you stop any more from invading. That comes down to 2 things: repellents and prevention.

Repellents are the products and DIY solutions that will stop roaches in their tracks. There are chemical repellents (like residual sprays—the kinds you often see pest control companies using) and natural repellents. Both can be effective and, again, you can use a combination.

If you’re going the chemical route, you can use sprays or granular products to repel roaches (and kill the ones that try their luck). Natural repellents include certain essential oils, herbs and a few other surprising items.

Check out our guide to the best (and worst) natural roach repellents.

Prevention starts with closing off your home from these outside invaders. You should seal any holes, cracks or vents that roaches can crawl through, clear clutter from around your house and make sure you’re wiping down floors and countertops as often possible.

By eliminating food sources, standing water and entry points, you can make your home a fortress against pesky cockroach invaders.

Find even more tips in our overview of all the ways to keep cockroaches away.

4. If there are simply too many roaches, call in professional backup.

You can do a lot on your own but, sometimes, the infestation seems too large. Or, maybe you just don’t want to go through so much trouble to face it on your own.

You’ve still got an option: call your local pest control service. They’ll do the dirty work, safely applying pesticides and making sure every entry point is sealed and every hiding place is treated.

We’ve covered how to hire an exterminator from beginning to end.


You have a lot of options when dealing with cockroaches but there’s one you should avoid: the deceptively ineffective roach bomb. It might seem like a cheap and simple solution that kills roaches fast, but in the long run, it’s more likely to be a hassle that doesn’t actually eliminate your roach problem.

Instead, focus your energy on the game plan we’ve laid out for you—it’s proven to work and it’s based on how the professionals treat roach infestations. By following these steps, you can eliminate roaches and keep them out for good.

Go get ’em!


  1. Potter, Michael F. (2018) Limitations of Home Insect Foggers (“Bug Bombs”). University of Kentucky Entomology. Retrieved from https://entomology.ca.uky.edu/ef643
  2. Pesticide information: Active ingredient: Pyrethrin. University of California IPM. Retrieved from http://ipm.ucanr.edu/TOOLS/PNAI/pnaishow.php?id=62
  3. DeVries, Z.C., et al. (2019) Exposure risks and ineffectiveness of total release foggers (TRFs) used for cockroach control in residential settings. BMC Public Health. Retrieved from https://doi.org/10.1186/s12889–018–6371-z
  4. Ogg, Barb eat al. (2006) Cockroach Control Manual. University of Nebraska-Lincoln Extension.

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Depending on where you live, you might already be far too familiar with tree roaches. They’re troublemakers, flying straight at you when you flick the lights on for a late-night snack. Tree roaches are ugly. They’re scary.

They’re big enough, according to some homeowners, to “help you bring in the sofa when you move.”

And across regions like Louisiana and Texas, tree roaches are a source of infinite frustration where they’re abundant and all but impossible to miss.

Let’s explore what attracts these roaches to your home, then show you how to get rid of them for good.

Need Product Recommendations?

A handful of easy-to-use products can solve most cockroach problems.

What They Are and Where They’re From

“Tree roach” is a rather vague name (or actually a nickname) for a certain kind of roach that inhabits trees and shrubbery, terrorizes neighborhood yards and patios, and finds ways to sneak into houses, just to scare the poor residents even more.

It’s a regional expression used in a handful of mostly southern states, and when you dig a little, you’ll find that Louisiana or Texas tree roaches sound suspiciously similar to one of the biggest, scariest cockroaches on the planet—the formidable American cockroach.

So in most places (including most likely yours), tree roaches are American cockroaches, with one possible exception:

Tree Cockroaches vs. Wood Cockroaches

Illustrated comparison of a tree roach vs a wood roach on yellow background
Tree roach vs. wood roach. Tree roaches in Texas and Louisiana are likely to be the American roach on the left.

We’d be remiss if we didn’t mention wood roaches, the other “roaches in trees” that many homeowners face in wooded areas year-round.

Unlike the American roach, species like the Virginia and Pennsylvania wood roach are somewhat smaller cockroaches that tend to hide in firewood and decaying logs, attack porch lights at night, and certainly like trees, too.

But they really don’t pose much of a threat as pests, and unlike the startlingly big American cockroach, don’t typically cause people to jump out of their skins. For those of you who came looking for solutions to a wood roach problem, you can learn all about them here.

Otherwise, let’s get on with clearing up your American tree roach problem.


6-Grid close-up illustration of a cockroach
The American roach up close. The color of their wings and bodies is a characteristic reddish brown.

The American tree cockroach is between 1 1/2 and 3 inches in length, huge for a cockroach and intimidating for many people when they’re faced with one in person.

Their reddish brown, hard-shelled bodies are flat, and when you flip them upside down to expose their bellies, more or less oval-shaped. Two long antennae protrude from their small heads. And, oh—the wings! You won’t soon forget them if you’ve ever experienced one of these bugs flying straight at you!

The Tree Roach in the Wild: Where They Come From

Illustration of an American cockroach, nymph, and hatching egg sac

American tree roaches are fairly harmless as long as they’re minding their own business in the woods nearby—or a festering dumpster in the alley.

They nest beneath loose bark, especially in oak trees, and hide among the fallen leaves and rotting logs on forest floors. They also live in alleyways, drain pipes and sewers. Closer to home, they like to bed down in flower beds and gardens, depositing egg capsules and making lots of baby tree roaches to make our lives more complicated.

Why and How They Come Inside

Illustration of a huge tree roach flying in an open window

Fortunately, these bugs are not quite the major problem that indoor cockroaches are. Being outdoor species, that’s where they mostly stay.

Unfortunately, changes in the weather or environment sometimes drive them inside, where they just can’t resist exploring for snacks, drinks, and possible mates. Though they’re less likely to spread than their indoor cockroach cousins (like the brown-banded cockroach or dreaded German cockroach), tree cockroaches can still contaminate food and irritate people’s allergies.

How They Get in

Isn’t it great throwing the windows open for a breath of fresh air? Tree roaches like it when you do that too, and their wings were made to take advantage of it.

They don’t actually fly very well, but their wings let them glide from tree branches to anything below. Couple that maneuver with an attraction to lights and your nice, bright living room invites them right in.

They’re not choosy about their mode of entry either, and since they spend even more time on the ground than they do in trees, they’ll take advantage of the gaps around pipes, entry points for cables, uncovered dryer vents and weep holes to make themselves at home.

Once they do get in, their favorite indoor haunts are the kitchen and bathroom, where they can count on plenty of cupboards, cabinets and heavy appliances to hide them as they set about the task of multiplying.

How to Get Rid of Tree Roaches

Illustration of a cockroach trying to crawl past a tube of caulk sealant

You didn’t buy your house intending to share it with tree roach roommates. Before they get comfortable, kick them out!

Suggested Products to Get Rid of Tree Roaches

To Find Their Hiding Spots and Kill Them Quickly When You Have Just a Few

Exterminator’s Choice Sticky Glue Traps

Used to measure and monitor a cockroach infestation and provide some supplemental control.

BASF PT P.I. Contact Insecticide

P.I. is a spray insecticide that kills roaches fast. Best when used as a supplement to other treatments, it’s not inexpensive, but far more effective than off-the-shelf sprays.

To Kill Them Inside Your Home When You Have a Serious Problem

Rockwell Labs CimeXa Dust Insecticide

CimeXa is an effective indoor crack and crevice treatment. For best results, use alongside Advion Gel Bait and Gentrol IGR.

HARRIS Diatomaceous Earth Powder Duster

Insecticidal dusts like CimeXa work best when applied with a duster tool. This inexpensive diatomaceous earth duster works fine with CimeXa, Delta Dust, and other recommended dusts.

Syngenta Advion Cockroach Gel Bait

Advion first poisons the roaches that eat it, then others in a secondary kill. For the most effective indoor treatment, combine with CimeXa insecticidal dust and Gentrol IGR.

Gentrol Point Source IGR

Gentrol is an insect growth regulator (IGR) that interferes with roach reproduction. It’s most effective used alongside Advion Gel Bait and CimeXa insecticidal dust.

To Kill Them Outdoors Before They Have a Chance to Get Inside

Bayer Polyzone Suspend Insecticide

When used on exterior foundations, entries, and walls, Suspend insecticidal liquid stops outdoor roaches before they get in. It requires a separate sprayer (see below), and works best alongside a granular outdoor bait like Intice and an outdoor crack and crevice treatment like Delta Dust.

Chapin 1 Gallon Multi-Purpose Sprayer

Liquid pesticides require a separate sprayer. This inexpensive pump sprayer works fine for smaller jobs.

InTice Perimeter Insect Control Bait Granules

InTice is a granular bait that kills roaches outdoors and in spaces like your garage or attic. Used alongside a spray treatment like Bayer Suspend and a crack and crevice treatment like Delta Dust, it can protect the entire perimeter of your home.

Delta Dust Insecticide Dust

Waterproof and long-lasting, Delta Dust is a crack and crevice treatment effective in high-moisture areas such as attics, exterior walls, and plumbing lines. Delta Dust is regulated and unavailable in some areas.

Here are 7 simple steps to get rid of them, from outside to inside.

1. Remove debris and clutter.

Battling tree roach invaders is an all-out war. These bugs can seem like they come in from everywhere, one or two at a time. To be successful, your defense strategy must begin outside—in their territory.

Start with the obvious: remove any piles of leaves, twigs or firewood that moisture-loving bugs could hide in. Then, rake mulch and pull weeds so it’s clean and evenly spread. Tree cockroaches like to nest beneath thick layers of mulch and overgrown plants that trap water and humidity.

You should also organize any boxes or equipment you’re storing outside. This is a great opportunity to do that spring cleaning you’ve been “going to get to next weekend” for the past 26 weekends!

2. Seal cracks, crevices and holes in exterior walls.

Now that you’ve cleaned and cleared the space around your house, you can take a close look at the walls to find the cracks and crevices that a committed tree roach could squeeze through.

Check for cracks in brick or siding, gaps around plumbing and wiring, holes in the foundation and spaces under windowsills. Once you’ve identified these weak points, you can use caulk, expanding foam, or copper mesh to seal off your home from these bugs and other critters.

3. Use outdoor baits, sprays, and dusts to keep their numbers down.

Outdoor treatments can’t kill every tree roach that wants to wander in, but they can keep their numbers down – way down – especially when combined.

Liquid insecticides are sprayed in a perimeter around your home and poison roaches as they crawl through them. Outdoor baits are sprinkled in areas where roaches feed, and poison them over time. Insecticidal dusts are used in cracks and crevices around your home’s exterior. They damage roach’s bodies, killing them soon after they make their way in.

You may already know about food-grade diatomaceous earth (DE) as one such dust. It works well in the garden and overall, makes a pretty good tree roach killer! If you’re looking for an all-natural outdoor dust, DE is the one to try. If you need pure effectiveness, you’ll want to use a waterproof product called Delta Dust.

4. Place sticky traps inside.

Once you’ve successfully barricaded the outside of your house, it’s time to work on the inside.

You don’t have to start smearing your whole house with toxic chemicals. Be strategic! Using sticky traps will help you narrow down where the bugs could be entering and hiding.

5. If you see them inside, use indoor gel baits, indoor dusts, and IGR’s to eliminate them.

Indoor gel baits are a powerful weapon against tree roaches that enter in large numbers.

They attract the bugs, then deliver a lethal dose of pesticide when eaten. Because these bugs tend to hide in the same places indoors, there’s a good chance they’ll spread the poison to other roaches. It might take up to a week, but you’ll soon start to see the bait’s effects.

Gel baits are even more effective when coupled with an indoor dust like boric acid or CimeXa (recommended over boric acid for its safety and effectiveness)), along with an insect growth regulator (IGR) such as Gentrol, which interferes with the colony’s ability to reproduce.

6. Repair leaks and replace screens.

A leaky faucet or pipe gives these roaches all the moisture they need to survive. Fixing drips will cut off their water supply, not only forcing them to die from thirst, but saving you money in the long run on pest control products or a call to the exterminator!

Big flying tree roaches take advantage of open doors and torn window screens to sneak inside. If you like to let in the fresh air, make sure you’ve installed window and door screens and replaced any that are ripped. Boost your seal by installing weather stripping on doors, too.

7. Keep your house as clean and organized as possible.

Finally, good cleaning habits are your permanent defense against tree roaches. Although they typically don’t come inside specifically looking for food, they might decide to stick around if they like what’s on the menu.

Crumbs, grease splatter and unsealed pantry items can feed a whole colony of these critters. You can change that simply by sticking to a daily cleaning routine: sweep or vacuum floors, wipe counters and the stovetop and wash dishes.

Find even more tips in our guide to preventing roaches.


No one should have to worry about pest infestations or frequent nuisance sightings. You have the power to get rid of tree roaches either on your own, or with the help of a pest control professional. And now that you know the basics, it’s time to take back what’s yours.

We’re rooting for you!

German roaches have a reputation for being the worst of the worst when it comes to cockroach problems. And with so much focus on the adults, you might assume that a baby German roach or two is the least of your worries, But…

Cue dramatic music…

These terrible, tiny pests are the most telling sign of an established—and growing infestation.

When it comes to the baby German cockroach, step one is identifying them, and steps 2 through “whatever-it-takes,” are getting rid of them.

Let’s get started.

A Simple 5-Step Guide For Getting Rid of Roaches

“Print or Follow on Your Phone. It’s FREE!”

What Do German Cockroach Babies Look Like?

Basic baby cockroach diagram showing body parts
A German cockroach nymph with long thin antennae, six spiny legs, a pair of cerci, and a flattened, hard-shelled wingless body.

Take your worst nightmare and shrink it down to half the size of a ladybug. Flat, oval-shaped and six-legged: that’s your baby German cockroach.

They’re usually light brown to dark brown but younger bugs can appear white just after they’ve molted. Older nymphs look more and more like adults, eventually growing wings in the final stage before adulthood.

Even as a baby, a German roach’s antennae are longer than its body, and it carries a pair of sensory appendages called cerci it will use throughout its life. Baby German roaches already feature their signature pattern: two stripes that are black in color running from head to rear. You might need a magnifying glass to see them but they’re there.

How big are they?

Illustration of sizes of baby German cockroaches using a ruler for scale
German roach nymphs at different ages, all only a fraction of an inch in length.

These tiny terrorizing bugs don’t look like much more than little beetles when they’re babies. Unlike larger species like American cockroaches, German roaches and their babies are extremely tiny—the size of grains of rice (or smaller!) when they’re first born. You’ve probably seen ants that are the same size.

The Nymphal Stage: Tiny Baby Roaches to Big Adult Problem

Young roaches are called nymphs from the time they’re born until they reach adulthood. As a baby cockroach matures during the nymphal stage, it sheds its exoskeleton over and over, each time growing a new, larger one. Baby German roaches molt 5–6 times over a period of 50–60 days.

Fun (or really, not so fun) fact: A baby cockroach molts by gulping air until its body expands enough to breaks open its old exoskeleton.

When they finally reach adulthood, they begin searching for a mate. German roaches simply don’t waste any time—they start reproducing just days after becoming adults.

Baby German cockroaches are a health hazard.

Baby German cockroach in close-up alongside illustration of disease-producing germs.

They don’t bite. They don’t sting. So why are they a problem?

German cockroaches carry bacteria from all of the unsavory places they venture into—pipes, gutters, walls, dumpsters and more. They can spread that bacteria on food and cooking surfaces, bringing diseases and allergens into your home.

While a single cockroach might not be a problem, the real threat comes from the fact that cockroaches are seldom loners.

Does the Presence of German Cockroach Babies Necessarily Mean an Infestation?

Closeup of a German cockroach adult and nymphs in an infestation

There is nothing cute about a baby cockroach. German roaches, in particular, are one of the most notorious household pests in the world. Seeing even one nymph is reason to be worried.

Why? These roaches breed continuously, producing offspring all year long.

One egg capsule from a single female German cockroach can contain 50 eggs! When they’re ready to hatch, cockroach nymphs emerge as independent bugs, ready to fend for and feed themselves. A colony can jump from a few roaches to hundreds in a matter of months.

Baby roaches don’t venture far from their nest. Put it this way—if baby roaches are surviving well, it means the adults had an easy time finding food sources and a hiding place where they could lay their eggs.

Which brings us to…

What are German roaches (of any stage) attracted to?

German roaches are attracted to damp or humid areas. Exterminators have treated infestations in basements, attics, closets and bedrooms. They can thrive almost anywhere there’s enough moisture available.

Their favorite habitats, though, are kitchens and bathrooms. German roaches usually hide during the day in cupboards, crevices and behind appliances, only emerging at night to scavenge for food on floors and countertops. Seeing baby roaches in the kitchen? It’s a better than good bet they’re German.

Other Signs of a German cockroach infestation

Illustration of cockroach poop on a wall, under a magnifying glass, beside a light switch

Maybe you’re not sure if you’ve seen a baby German cockroach because it scurried under the refrigerator so quickly. These are a few other signs you might have an infestation:

  1. Cockroach droppings
  2. A stale, musty odor
  3. Egg cases or molted skins
  4. Dead roaches

Depending on the species (and German roaches are one of these) roach droppings look like tiny black specks gathered on the floor or in a cabinet. You might mistake it for coffee grounds if it weren’t for the musty odor. That odor sticks to surfaces and food they’ve touched, too.

German cockroach egg cases look like tiny, quarter-inch purses or capsules. They’re dark brown and show that the roaches are already laying eggs and hatching. Dead roaches might seem like a good sign but it could mean there are more than could fit in the nest.

German Cockroach Nymphs in Your Home: What It Means

Adult and baby cockroaches feeding on a piece of bread

Baby cockroaches are about as bad a sign as you can find. See, finding a big brown adult cockroach could mean you’ve just caught one lonely wanderer. Finding baby roaches signals that, at the very least, there are a few adults nearby and they’re ready to reproduce again.

Once you find baby German cockroaches, it’s time to act… fast. In less than two months, those babies will be fully developed and ready to start having babies of their own. Don’t give them the chance.

Getting Rid of Baby German Cockroaches: No Holds Barred

The moment of truth. If you’ve read this far, chances are you’re sweating, stressed and dreading what we’re about to say. But we’re not here to scare you; we’ve got the facts and proven advice for getting rid of them.

Fact #1: You can get rid of baby German cockroaches for good. They’re resilient, clever and stubborn but they’re not unstoppable.

That’s the good news. The bad news…

Are they hard to get rid of?

The German cockroach is Public Enemy #1 for homeowners and pest controllers for a reason: they’re tough to exterminate. They grow quickly and, worse, they have dozens of babies each time they lay an egg case.

Fact #2: They thrive on just a little food, a lot of moisture and a good hiding place. Even the cleanest homes are at risk.

How long does it take to get rid of them?

Be prepared. Taking on baby cockroaches yourself is going to take awhile. You’ll need to search, clean, carefully place baits along with other treatments. and then monitor the effects.

It can be done though, and if you’re ready to try, see “How to Get Rid of German Roaches Step-by-Step” for a complete guide.

You could also hire a professional exterminator who could eliminate a cockroach infestation in 2–3 weeks. That’s usually enough time for the pesticides to work their way through the colony and stop the adult roaches from reproducing.

Hiring a pro will be more expensive, but will also eliminate the dirty work!

How do you get rid of roaches fast?

We cover a variety of all-natural and DIY cockroach control methods that have the potential to eliminate infestations. However, the most effective, fastest solution to a baby German roach problem is to use pesticides.

Whether you choose baits or a spray, these products are designed to kill roaches individually, introduce insect growth regulator to render them infertile, and take down entire roach colonies at a time. When it’s time to get serious about pests, don’t take chances.

Baits are the best German cockroach killers.

Baits may be your best bets against German roaches, not because they’re as fast as kill-on-contact sprays, but because they spread their active ingredient from roach to roach, packing a much harder punch against medium- or large-sized infestations.

When you’re dealing with baby roaches, you have to treat the problem like it’s an already-established infestation. Using sticky cockroach traps can help you gauge the size of the colony and narrow your search for the nest.

Baits should be used in concentrated amounts and in specific areas where German roaches most likely walk. Use your knowledge of their habits—target areas where you think they’re going for food and water.

You can include natural cockroach killers in your extermination plan, too.

Fact #3: Both food-grade diatomaceous earth, boric acid and borax work as effective insecticides against adult and baby German cockroaches.

Keeping German Cockroaches Away

You’ve dealt with baby German cockroaches once; you don’t want to do it again. For everything from cleaning, sealing and repair tips to the essential oil smells that cockroaches hate, don’t miss our complete guide to keeping cockroaches away for good.


When we’re talking cockroaches, bad things tend to come in small packages. German cockroaches are the worst species to find in your home, and seeing even a single baby German cockroach is a likely sign of infestation.

But with this information and help from your local exterminator, you can get back to your cockroach-free life.

You’ve got this!


  1. Ross, Mary H. and Donald E. Mullins (1995) Understanding and Controlling German Cockroaches: Biology. Oxford University Press.
  2. German Cockroach: Biology, Identification, Control (2013) NC State Extension. Retrieved from https://entomology.ces.ncsu.edu/german-cockroach/

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When you find yourself staring in the face of a water bug problem, it’s easy to feel overwhelmed. These pests can wreak havoc on your peace of mind.

It’s time to take back your home! We’re going to help you learn how to get rid of waterbugs in a few simple steps, before and after they make themselves comfortable in your space.

Need Product Recommendations?

A handful of easy-to-use products can solve most cockroach problems.

What Are Water Bugs?

Three grid illustration comparing three outdoor cockroaches: the American, Oriental, and Smoky Brown species

Let’s clear something up: when we’re talking about water bugs (also known as Palmetto Bugs), we’re really talking about one of these 3 species of cockroaches:

  1. Oriental roaches
  2. American roaches
  3. Smoky brown roaches

Why the nickname? Well, there are domestic cockroaches—those are the indoor species and they’re the troublemakers.

And then there are water bugs—the outdoor roaches. Generally, water bugs stay outside but, sometimes, they do invade homes. That’s the situation you want to avoid.

(While we can’t just ignore Belostomatidae, the Giant Water Bug that lives in fresh water, it’s probably not the one you’re thinking of.)

Getting Rid of Waterbugs for Good

How do you get rid of water bugs? By rigorous application of the supplies and steps below. Once you’ve found a water bug in your space, it’s game on. Why? Because you might not be facing a dangerous cockroach infestation yet, but water bugs can multiply and spread just as quickly.

The good news is that the same things that kill and prevent cockroaches will work on water bugs, too. Let’s get started.

How to Kill Water Bugs

Stylized illustration of a bomb about to explode in a cockroach infestation

Does Anything Get Rid of Waterbugs Instantly?

We’re going to cover a few things that kill these pests, but with a delayed effect. But what if you want to kill them instantly? Even squishing them doesn’t always work because of their hard, flexible exoskeletons!

Killing them on contact comes down to using chemical pesticides. To use these products, you typically dilute the pesticide with water (according to the instructions) and spray it into cracks and crevices where you think water bugs are hiding.

The problem comes with your ability to access all those hiding places. Waterbugs are sneaky and you may never find where they’re actually hanging out.

Bug-killer sprays sold in supermarkets? They also work on waterbugs. However, killing one at a time won’t solve your water bug problem in the long run.

Suggested Products If You Have a Water Bug Problem

To Find Their Hiding Spots and Kill Them Quickly When You Have Just a Few

Exterminator’s Choice Sticky Glue Traps

Used to measure and monitor a cockroach infestation and provide some supplemental control.

BASF PT P.I. Contact Insecticide

P.I. is a spray insecticide that kills roaches fast. Best when used as a supplement to other treatments, it’s not inexpensive, but far more effective than off-the-shelf sprays.

To Kill Them Inside Your Home When You Have a Serious Problem

Rockwell Labs CimeXa Dust Insecticide

CimeXa is an effective indoor crack and crevice treatment. For best results, use alongside Advion Gel Bait and Gentrol IGR.

HARRIS Diatomaceous Earth Powder Duster

Insecticidal dusts like CimeXa work best when applied with a duster tool. This inexpensive diatomaceous earth duster works fine with CimeXa, Delta Dust, and other recommended dusts.

Syngenta Advion Cockroach Gel Bait

Advion first poisons the roaches that eat it, then others in a secondary kill. For the most effective indoor treatment, combine with CimeXa insecticidal dust and Gentrol IGR.

Gentrol Point Source IGR

Gentrol is an insect growth regulator (IGR) that interferes with roach reproduction. It’s most effective used alongside Advion Gel Bait and CimeXa insecticidal dust.

To Kill Them Outdoors Before They Have a Chance to Get Inside

Bayer Polyzone Suspend Insecticide

When used on exterior foundations, entries, and walls, Suspend insecticidal liquid stops outdoor roaches before they get in. It requires a separate sprayer (see below), and works best alongside a granular outdoor bait like Intice and an outdoor crack and crevice treatment like Delta Dust.

Chapin 1 Gallon Multi-Purpose Sprayer

Liquid pesticides require a separate sprayer. This inexpensive pump sprayer works fine for smaller jobs.

InTice Perimeter Insect Control Bait Granules

InTice is a granular bait that kills roaches outdoors and in spaces like your garage or attic. Used alongside a spray treatment like Bayer Suspend and a crack and crevice treatment like Delta Dust, it can protect the entire perimeter of your home.

Delta Dust Insecticide Dust

Waterproof and long-lasting, Delta Dust is a crack and crevice treatment effective in high-moisture areas such as attics, exterior walls, and plumbing lines. Delta Dust is regulated and unavailable in some areas.

Getting Rid of Water Bugs Naturally

There are a number of natural ways to get rid of waterbugs. And if you’re going to do it yourself, you might want to consider these approaches first.

Diatomaceous Earth: Fast but Not Instant

One of the best-known water bug treatments is food-grade diatomaceous earth (DE). It’s all-natural, safe to use around children and pets (but do take precautions not to inhale), and best of all, effective (although we do recommend CimeXa for even better results).

Most hardware stores sell DE and it’s easy to mix and apply. Some products even come with a duster to make things as simple as possible.

When using DE dust, you want the water bugs to eat it or, at least, walk through it. To attract the bugs to it, you can mix the DE with powdered sugar and spray a thin layer in specific parts of the house.

You can even use it outside, sprinkling it in the grass or mulch to form your very own anti-water-bug moat!

DE doesn’t quite kill instantly but it works more quickly than baits, which are designed to have delayed effects.

Will Baking Soda Kill Them?

Baking soda is a potential killer. It sucks up the water in the environment and can fatally dehydrate water bugs as they walk through it. However, baking soda isn’t nearly as effective as gel baits or chemical pesticides that are designed to kill them.

Boric Acid: An All-Natural Pest Killer

Boric acid is a great natural pest control product that works for water bugs, too! It’s poisonous to the bugs but, in small amounts, it’s not dangerous for pets or children.

Like DE, boric acid isn’t bait so you’ll have to mix it with something to attract the bugs. Again, sugar works really well.

All it takes is a little of the mixture, sprinkled thinly in areas where you think the water bugs are walking. Don’t use too much, though, or the bugs might not want to walk through it.

Home Remedies for Water Bugs

There are plenty of home remedies for waterbugs that may be worth exploring too, including homemade traps, and even essential oils.

Gel Baits: Your Secret Weapon Against Water Bugs

Baits are your secret weapons against water bugs because they’re insecticides hidden in a formula that water bugs just can’t wait to sink their teeth into.

You apply baits by spreading the gel near cracks and holes where water bugs might be hiding. For less of a mess, you can use bait stations, which hold the bait inside a compartment that you can discard after it’s worn off (or been eaten).

What makes bait so much better than simple sprays or traps is that it spreads the pesticide throughout the colony, from bug to bug.

A water bug doesn’t die immediately after it’s eaten the bait; usually, it dies later, after it’s returned to the nest. Then, as the other water bugs feed on the dead insect, they eat the pesticide, too! Even if only one or two water bugs eat the bait, it can kill a dozen or more as its effects spread.

So What’s the Single Best Approach?

The single best way to get rid of waterbugs is the one that eliminates the whole colony as quickly as possible. The winner, unsurprisingly, is the product that’s specially designed to deal with water bug infestations: gel baits.

How To Prevent Water Bugs

Cartoon illustration of a cockroach being stopped by a stop sign before entering a house.

Baits, sprays, and traps have their place, but how to keep water bugs away? Luckily, water bug prevention only takes a few simple changes.

How to Keep Water Bugs Out

Water bugs hate dry environments. Their ideal home is damp, dark and hidden, with lots of—you guessed it—water in the vicinity. Don’t give it to them! Chances are they’ll look for somewhere else to stay.

Just follow a few simple tips, targeting those areas, and you’ll start to see results in no time.

  1. Prevent standing water under gutters and pipes. Fix leaks, eliminate damp areas, and repair any areas where water collects before water bugs find it.
  2. Improve ventilation in storage rooms. Humidity and dampness are just what water bugs are looking for in a place to lay their eggs.
  3. Clean the dishes and change the garbage frequently. You’re making it too easy for water bugs to eat if you leave dirty dishes out overnight.
  4. Seal up entry points. Pay attention to ways waterbugs may be entering your home. Inspect exterior walls and your home’s foundation, looking for holes, cracks, and crevices that could be allowing waterbugs in. Inspect windows and doors for gaps that water bugs could crawl through.


Despite their less-threatening name, at the end of the day, water bugs are still cockroaches. The longer they’re in your house, the higher the risk that they’ll grow into a serious infestation—and when that happens, your best is to call in a pest control company as quickly as you can.

Now that you know how to get rid of waterbugs…

Let’s do this!

Frequently Asked Questions

How do you get rid of waterbugs in the house (as opposed to outside)?

Treating water bugs inside the home is in some ways easier because areas that need treatment are more limited and you don’t have to deal with issues like rain washing pesticides away.
Getting rid of waterbugs inside the home is generally accomplished through the use of gel baits and powder pesticides.

How do you get rid of waterbugs outside the house?

Waterbugs outside the home can be treated with applications of a perimeter spray that kill those that come too close to the house.


  1. Pesticide Environmental Stewardship. NC State University Center for Integrated Pest Management. Retrieved from https://pesticidestewardship.org/homeowner/using-pesticides-safely-and-correctly/

Water roaches might not sound like fearsome pests but if they get into your house, they can cause lots of trouble. What causes these bugs to invade homes and what can you do to stop them?

Let’s explore what attracts water roaches and list the steps you can take to keep them out.

A Simple 5-Step Guide For Getting Rid of Roaches

“Print or Follow on Your Phone. It’s FREE!”

Wait! What is a Water Roach?

Three grid illustration of water roach species-American, Oriental, and Smoky Brown cockroaches
Three species of water cockroach: The American cockroach, Oriental cockroach, and smokybrown.

Before we get into the details, we have to straighten this out: a water cockroach isn’t a kind of bug that’s “sort of, but not really,” a cockroach. It is a cockroach. A cockroach of a very specific kind.

Water roaches are a group of roaches known as peridomestic cockroaches—a type of insect that primarily lives outside. In certain regions of the country, these cockroaches have acquired “water roach” as a sort of catch-all nickname (along with “palmetto bugs,” too).

The cockroach species we’re really talking about?

The Oriental cockroach, Smoky brown cockroach, and by far the most common, the American cockroach (for pictures of these roaches see above).

And the species of cockroach we’re not talking about?

The indoor, or “domestic” cockroaches like the Brown-banded cockroach and the German cockroaches below.

Two grid illustration of domestic cockroaches which are not water bugs
The German and brown-banded cockroach. Two domestic cockroach species.

Note: Belostomatidae, a.k.a. the Giant Water Bug or “toe biter” may sometimes be referred to as a water roach, too. These bugs live in water and can deliver painful bites when disturbed, but are not household troublemakers and are probably not the pest you came here for.

Now, without further ado, let’s talk about what causes a water cockroach problem and what you can do about it.

What Causes Them to Come Inside?

Water roaches invade homes for a few reasons, most of which are out of a homeowner’s control. Seriously—they infest homes both clean and dirty, as long as there’s a little food and… the number one reason they move indoors…

Easy access to water.

True to its name, a water cockroach needs lots of water to survive. If a dry spell sucks the water out of the mulch and leaves that cockroaches eat, they’ll start looking elsewhere to quench their thirst—say, those potted plants you dutifully water on the porch.

Just like that, they’ll begin to ignore your personal space and commandeer your home, one area at a time. How disrespectful.

Can Water Roaches Infest Your House?

They might be outdoor bugs to begin with, but once inside, water roaches make themselves at home. Reddish brown to dark brown in color and big—between 1 and 2 inches long, they’re attracted to warm, damp areas, such as the kitchen, bathroom, basement or attic.

They’re fast-moving, good at hiding, and hide behind appliances, in cupboards and in outlets and vents. They can crawl through the hollows between walls and lay eggs beneath baseboards.

You don’t want these bugs around at all, but especially don’t want them building nests in your home. Within weeks of a colony settling in, you could be dealing with dozens more of these intruders skittering around.

Can They Come Up Toilets?

Though it’s true that cockroaches can hold their breath—thankfully, no. Not toilets filled with water, anyway. But leave your house for a season and let your pipes run dry—well, that’s another story. With no water in the pipes and no barrier between your home and the sewer, you could face a nightmare in the bathroom when you return.

Drains, on the other hand, are perfectly acceptable hiding places for these pests. They don’t live in water but they’re known for sneaking into drains for a drink and using the pipes as shortcuts from room to room.

Do They Crawl on You at Night?

Water roaches almost never willingly approach a human, but (rarely) have been known to crawl onto beds at night, drawn by the sweat and skin cells that collect in the sheets. And for what it’s worth, though they’re physically capable of biting people, they’re not often known to do it.

How to Get Rid of Water Roaches

Since these bugs are outdoor insects, preventing them starts outside… in their arena.

Prevention comes down to 4 steps:

  1. Inspect
  2. Seal
  3. Clean
  4. Treat

With a solid plan and dedication to the task, you’ll be like a pest control professional in no time.

Ready? Let’s start with step one.

1. Inspect for entry points.

You’re looking for the tiny cracks, crevices and holes that could provide bugs an easy way to enter your home. Check for gaps around the dryer vent, cracks in the walls, holes in the foundation and torn window screens. Roaches sometimes hide in electrical boxes or near hose bibbs in the wall.

2. Cover and seal every opening you find.

With their small, flat bodies, it’s like cockroaches are designed to be able to squeeze through tight spaces—and they are. To create a solid barrier against these bugs, you’ll have to close up every opening you can find with caulk, steel wool or a mesh screen.

That might seem like a lot of work for a “just-in-case” scenario. But be aware—it takes far more work to get rid of water roaches than it does to exclude them and prevent a problem from happening in the first place.

3. Clean up and organize outside (and inside).

Keeping things as neat and tidy as possible is one of the most important ways to prevent these bugs from finding refuge in your home and mooching off your leftovers. The best-case scenario is keeping them far away from your home in the first place.

Here are a few tweaks to help you achieve this:

  • Spread mulch thinly so that it dries more quickly and disappoints lazy invaders looking for an easy hiding place.
  • Keep things like garbage cans, piles of firewood and landscaping supplies away from your house.
  • Before you bring anything in from the garage or outside, carefully check it for signs of cockroaches. The worst surprise would be giving these bugs a free ride into your own home.

Will they leave if there’s no food?

A water cockroach can live as long as a month without eating but, eventually, it’s going to need some food. These scavengers love finding a plate of leftovers that someone forgot to wrap up. A sink full of dirty dishes is like a midnight snack buffet.

Sweeping, vacuuming, wiping and washing around the kitchen removes their easy food sources. Sometimes, that’s enough to send them looking for new digs.

4. Use pesticides (natural or otherwise) to keep them away.

Once your defense is all set up, you can bolster it with a bit of offense. Pesticides come in many forms but the most effective ones for dealing with a water roach problem (remember to read all labels and precautions) are going to be granular treatments and liquid sprays.

Granular pesticides are great because you can sprinkle them in the mulch and grass and let them work in the background, out of sight and automatically. Sprays can also help treat hard-to-reach areas, like narrow crevices.

One of the best all-natural pesticides is boric acid. You can mix this powder with sugar and sprinkle a thin layer where you think water bugs would enter.

Food-grade diatomaceous earth works wonders as another natural, non-toxic pesticide. You can sprinkle it inside and outside, wherever you want to create a deadly barrier for bugs.


Armed with the steps above, along with a little time and effort, you should be able to stop most water cockroach problem in their tracks.

However, if water roaches have already gotten inside your home, your response will need to be a little different. Learn how to get rid of cockroaches in our guide to facing a cockroach infestation.

Either way, you can do it!


  1. Why do I have cockroaches in my home? (2016) National Pesticide Information Center. Retrieved from http://npic.orst.edu/faq/roach.html
  2. Beriseno, Terri. 10 Cockroach Hiding Spaces. HowStuffWorks. Retrieved from https://home.howstuffworks.com/home-improvement/household-hints-tips/insect-control/10-cockroach-hiding-spots2.htm