There are lot of different forms of pyrethrum insecticide. Dusts, sprays, and coils are mostly used.
If in search for organic, make sure that plants were not grown with herbicides, fungicides etc., essence wasn't extracted with hexane and that no PBO was incorporated.
Pyrethrum is also the name of a natural insecticide made from the dried flower heads of C. cinerariifolium and C. coccineum.
Amazon.com
Fleet Farm
Until you wash your hair with an insecticide. You can buy one from your chemist.
the prefix of the word insecticide is -in
use the systemic insecticide or the common spray insecticide. but better you use the systemic insecticide.
They sprayed the new insecticide on the crops.Some insecticide is dangerous to birds.
You can buy Boric Acid in Wal-Mart and similar stores. It is usually in the first aid section. Do not buy Borax, which is not the same thing and will not kill fleas.
Leaves of Margosa (neem) is a natural insecticide.
Raid - insecticide - was created in 1956.
The insecticide DDT will sterilize a German cockroach. The insecticide will prevent the cockroaches from reproducing and will eventually kill them.
I will use a stronger insecticide next week.