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|Noun||1.||insect powder - a chemical used to kill insects |
pyrethrum - made of dried flower heads of pyrethrum plants
DDT, dichlorodiphenyltrichloroethane - an insecticide that is also toxic to animals and humans; banned in the United States since 1972
larvacide - an insecticide that kills the larvae of insects
lead arsenate - a poisonous white solid (Pb3[AsO4]2) used as an insecticide
As, atomic number 33, arsenic - a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
lindane - a white crystalline powder used as an agricultural insecticide
Malathion - a yellow insecticide used as a dust or spray to control garden pests and house flies and mites
organophosphate - an insecticide that interferes with an insect's nervous system
pesticide - a chemical used to kill pests (as rodents or insects)
parathion - a colorless and odorless toxic oil used as an insecticide
Paris green - a toxic double salt of copper arsenate and copper acetate
rotenone - a white crystalline insecticide that has low toxicity for mammals; is used in home gardens; extracted from the roots of derris and cube
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