no they dont
An insecticide is a chemical meant to kill insects.
use the systemic insecticide or the common spray insecticide. but better you use the systemic insecticide.
If your roses have aphids spray with an insecticide. If you are organic use soapy water or wash off with a hose.
The insecticide DDT will sterilize a German cockroach. The insecticide will prevent the cockroaches from reproducing and will eventually kill them.
The white powder that kills wasps is called an insecticide. This insecticide is extremely powerful and will kill the wasp as soon as it comes in contact with it.
The only way to try and kill thunder flies is by using an insecticide. You should look for an insecticide that is designed to kill thrips and it should get rid of the thunder flies as well.
No but it can make you very ill
Yes, nitenpyram is an effective insecticide that can kill ticks.
Two full cloves of garlic boiled in one cup of water and left to cool. Mix in 1/4 teaspoon of mild dish soap and spray on roses. This will kill any insects (aphids and flies) on the roses and deter new ones. It will not harm the plant or your pets.
To get rid of pests on your knock out roses all you may need to do is hose them off. But for large infestations use insecticidal soap or Spinosad insecticide.
Alcohol does not kill pubic lice. They must be killed with insecticide.
Because of natural variation in a populations, some individuals may have an innate tolerance to the insecticide.