Yes, it does. Soapy water has a very low surface tension, when sprayed on a cockroach (or any other insect) it penetrates into the spiracles (breathing holes) of the insect and prevents air from entering into the trachea.
Body soap and shampoo can also be effective solutions, as they can block the roach's spiracles, or the respiratory pores, and essentially cause the roach to suffocate.
Peppermint oil, cedarwood oil, and cypress oil are essential oils that effectively keep cockroaches at bay. Additionally, these insects hate the smell of crushed bay leaves and steer clear of coffee grounds. If you want to try a natural way to kill them, combine powdered sugar and boric acid.
Good old-fashioned soap and water is a safe, reliable, and inexpensive method. Create a soapy water solution that you can spray with a bottle. It will only take about 2 – 3 sprays to kill any roaches, as the soapy solution will cover their breathing pores and suffocate them.
Pine-Sol and Fabuloso are strong, all-purpose household cleaners. Similar to bleach, these products kill roaches on contact. Some homeowners suggest spraying Pine-Sol around the outside of your house to keep cockroaches away.
For cockroaches, window cleaner can make them temporarily unconscious so that you can squash them. This works on initial contact, but Windex will not continue to kill bugs after it has dried. Laundry Detergent – Dilute a few drops of laundry detergent or dish soap in water and use the mixture as a spray.
By keeping a clean dwelling, you'll give roaches less of a reason to intrude upon your happy home. There is more to keeping roaches at bay than just having spotless floors, however. Let's look at potential trouble spots that you may have overlooked during your most recent cleaning spree or inspection.
Powdered laundry detergent with Borax is preferable to some while others prefer Dawn dishwashing detergent. A very high concentrate of water and detergent sprayed on roaches penetrates into the spiracles preventing air from entering into the trachea drowning the roaches.
Will Sleeping With The Light On Keep Cockroaches Away? No, sleeping with the lights on will not deter and keep cockroaches away. Although they are nocturnal, they aren't afraid of the light and it won't keep them away from an area of your home.
Eucalyptus oil has a strong scent that seems to have some success in repelling roaches. You can dilute it with water and spray areas you think cockroaches might have nested.
Hair Spray – Hair sprays are sticky and therefore, when sprayed on a cockroach, it will seal its wings and skin, thus suffocating it to its ultimate death.
Discourage roaches from hanging out in this area, and coming further into your home, by pouring boiling water down the drain often. This kills any insects, as well as eggs, that may be hiding.
Borax is a readily-available laundry product that's excellent for killing roaches. For best results, combine equal parts borax and white table sugar. Dust the mixture any place you've seen roach activity. When the roaches consume the borax, it will dehydrate them and kill them rapidly.
Boric acid can quickly kick a roach infestation to the curb. It's extremely toxic and can kill multiple generations of roaches. Mix a combination of equal parts of boric acid, sugar and water to make a dough. Roll that dough into balls or cylinders and place them where roaches will find them.
Sprinkle the diatomaceous earth around areas where roaches travel and frequent. The sharp particles of diatomaceous earth damage the waxy, protective exoskeleton of the roach, causing it to dehydrate and die, typically within 48 hours of contact.
It's instinctive: you see a cockroach and you crush it. Or you run away. However, entomologists advise against doing the former, because cockroaches can support 900 times their weight. Lightly stepping on the insect or swatting it with a newspaper is not the best plan.
Some factors that can attract cockroaches to clean houses include: Moisture. Leaking sinks and appliances create conditions in which roaches thrive, since they offer a readily available source of water as well as the warm, sheltered spaces that provide the ideal harborage for cockroach nests. Untidy landscaping.
All About Vinegar
Unfortunately, it doesn't actually kill these problem insects. It's more of a cleaning tool than anything else, and it won't actually help eliminate your roach problem. It can, however, help deter roaches and get rid of germs in the kitchen when used as a cleaning agent.
Taking a deep drink of household bleach would kill anything, roaches included. But the same strong odor that keeps people from taking a swig of bleach repels roaches as well. So though it could work, in reality, it will not. It is very difficult to kill an entire roach infestation yourself.
Lemon contains limonene, which does in fact repel cockroaches.
It's a fact that cockroaches are afraid of humans and other mammals or animals that are bigger than them. They see us as predators and that fear triggers their instinct to scatter away. However, they dislike strong and distinctive scents such as citrus, peppermint, lavender and vinegar.