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Once cockroaches have entered your home, it will be very difficult for you to get them out. Cockroaches can eat food, destroy walls, books, electronics, some species of cockroaches even transmit diseases to people. “Expel” these pests and prevent their return using baits, traps, insecticides, or other deterrents that work best for you.
Steps
Do not allow indirect access to food and water
Use bait to get rid of cockroaches
- Place bait where cockroaches frequent such as along baseboards, under sinks and in corners. Place the bait as close to the cockroach’s nest as possible because more cockroaches will eat the bait and bring it back to the nest.
- Most cockroach baits contain the active ingredient fipronil 0.05% or hydramethylnon 2%. Cockroaches will eat the poison, then excrete it at the nest and other cockroaches will die when exposed to that waste.
- This method of getting rid of cockroaches can take several weeks. When the first generation of cockroaches is destroyed, the eggs will hatch, and there will be more cockroaches to bait before you can completely eliminate their entire nest.
- You can also try making the same mixture with 1 part fenugreek, 2 parts flour, and 1 part cocoa.
- Wait for at least 3 cycles of disappearance/reappearance of the cockroach colonies becoming less and less frequent, lasting about 2 weeks. Continue using boric acid until the cockroaches are gone.
- Children, dogs, and some other pets can also inadvertently ingest the mixture. Boric acid is not very toxic to people or pets but should only be used on the skin, so you should place it in a place that can only be accessed by these insects.
- The mixture will harden into cakes in a humid environment, so you should use paper or aluminum trays to protect the floor and cabinets.
Use insecticide
- Soap water kills cockroaches by creating a thin film that seals off the cockroaches’ breathing holes and stays that way because the surface tension causes the cockroaches to suffocate.
- Throw away cockroaches as quickly as possible, as they can recover when the water dries out or the water doesn’t cover most of their body.
- Keep children and pets away from the spray and follow the directions for use on the product label.
- If using cockroach bait at the same time, you should not spray near the place where the bait is located. Insecticides can infect the bait and keep the cockroaches away.
- Cockroach spray works to get rid of cockroaches immediately, but it can also drive cockroaches deeper into walls, making the situation worse. Treating the whole cockroach nest is just as important as killing the cockroaches on the spot.
Hussam Bin Break
Pest Control Specialist, Diagno Pest Contrp
Hussam Bin Break is an insecticide application specialist and chief executive officer of Diagno Pest Contrp. Hussam and his brother own and operate Diagno Pest Contrp in the Greater Philadelphia Area.
Pest Control Specialist, Diagno Pest Contrp
Experts agree: Cockroach repellent sprays have a higher success rate, and can get rid of cockroaches or significantly reduce their occurrence. You should use harsh methods such as chemical roach repellant instead of homemade methods.
- The downside of this method is that it kills all kinds of bugs and insects, including cockroach eaters like spiders and millipedes.
- Use this only as a last resort, and do not use it when children and pets are around. This is a very potent poison and will harm anyone who swallows it.
Use a cockroach trap
Prevent cockroaches from coming back
- Seal every crevice inside every kitchen cabinet.
- Fill cracks in both floors, doors and windows.
- Seal gaps around plumbing in bathrooms and kitchens.
- Use insect repellent (such as Raid) in gel or liquid form. This acts as a second “line of defense” if the cockroaches are still alive and able to slip through the pot cleaner used to seal the gap; This at least weakens them.
- Another way is to sprinkle salt under drawers and in openings. If you have to be away for a long time, wipe the floor with salt water before you go.
- Seal the gaps with Spackle or some hardening compound. If the crack is in the baseboard or wood, scrub the surface with resin or apply a coat of wood paint after plastering the wall. Spackle that has solidified in about 4-6 hours after application is safe for children.
Advice
- If you’re killing cockroaches, be sure to clean up any leftover roaches; Even if cockroaches are dead, their eggs can still hatch if not removed quickly. You need to prevent cockroaches from erupting again and remember to destroy the cockroach nest.
- Cover pans and dishes when storing to prevent cockroaches from laying eggs inside.
- Cover the drain hole in the bathroom to prevent cockroaches from crawling from the bottom up.
- It is still debated whether stepping on female cockroaches destroys the eggs. Cockroach eggs are inside a thick, safe outer shell called the eggshell but are unlikely to survive when the female cockroach is killed. However, it is still wise to wash the soles of shoes after stepping on them to death.
- Put some mothballs in the corners of the house. Cockroaches hate the smell of mothballs.
- Clean up dog and cat feces in the yard, as cockroaches can eat this waste or bring it into the house to contaminate the house.
- If all of the above methods fail, you should call a pest control professional. They have a license to use stronger chemicals and in a broader range; They can do these things to keep your family safe.
- Cockroaches often hide in toasters and eat crumbs, so you should regularly clean and turn on the hot oven for about 3 minutes to deodorize the food.
- For “newborn” cockroaches, you can spray alcohol (cleansing alcohol or alcohol-based shaving lotion) and it will be very effective. Hairspray also works.
- To dispose of dead cockroaches, throw them in the toilet and flush to get them out of your home.
- Natural cockroach repellents are peppermint oil, cucumber rind, citrus fruits, catnip, garlic, and clove oil.
- Glue traps for mice and rats are also very effective at trapping cockroaches.
Warning
- Insecticides, cockroach baits and other chemicals can be toxic to people (especially children), so be sure to read the warnings carefully and strictly follow the manufacturer’s instructions.
- When spraying the solution into a kitchen cabinet, you should hold your breath and spray quickly, or consider buying a mask and using it when spraying. Buy a spray bottle with a pressure pump for a quick effect.
Things you need
- Insecticide spray bottle
- Cockroach bait
- Cockroach trap
- Concentrated liquid
- Wall putty or glue gun
- Zippered bags and sealed food jars
- Self-adhesive paper with cockroach repellent
- Cabinet lights or fluorescent lights
- Tuna
This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.
The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.
This article has been viewed 11,252 times.
Once cockroaches have entered your home, it will be very difficult for you to get them out. Cockroaches can eat food, destroy walls, books, electronics, some species of cockroaches even transmit diseases to people. “Expel” these pests and prevent their return using baits, traps, insecticides, or other deterrents that work best for you.
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