Wiktionary
imiprothrin
n. A neurotoxin of the pyrethroid class, used as an insecticide.
Wikipedia
Imiprothrin
Imiprothrin is a synthetic pyrethroid insecticide. It is an ingredient in some commercial and consumer insecticide products for indoor use. It has low acute toxicity to humans, but to insects it acts as a neurotoxin causing paralysis. It is effective against cockroaches, waterbugs, ants, silverfish, crickets and spiders, among others.