#pesticide  a chemical used to kill pests (as rodents or insects)
  supertype:  chemical  produced by or used in a reaction involving changes in atoms or molecules
  subtype:  acaricide__acaracide  a chemical agent used to kill mites
  subtype:  insecticide__insect_powder  a chemical used to kill insects
     subtype:  pyrethrum  made of dried flower heads of pyrethrum plants
     subtype:  dichlorodiphenyltrichloroethane__ddt  an insecticide that is also toxic to animals and humans; banned in the United States since 1972
     subtype:  larvacide  an insecticide that kills the larvae of insects
     subtype:  lead_arsenate  a poisonous white solid (Pb3[AsO4]2) used as an insecticide
     subtype:  lindane  an agricultural insecticide
        subtype:  Kwell  (trademark) a preparation of lindane that is used to kill lice and itch mites; available in cream or shampoo
     subtype:  Malathion  (trade mark) a yellow insecticide used as a dust or spray to control garden pests and house flies and mites
     subtype:  organophosphate  an insecticide that interferes with an insect's nervous system
        subtype:  chlorpyrifos  a common organophosphate insecticide
     subtype:  parathion  a colorless and odorless toxic oil used as an insecticide
     subtype:  Paris_green  a toxic double salt of copper arsenate and copper acetate
     subtype:  rotenone  a white crystalline insecticide that has low toxicity for mammals; is used in home gardens; extracted from the roots of derris and cube
  subtype:  pediculicide  a chemical agent that kills lice
  subtype:  phosphine  a colorless gas with a strong fishy smell; used as a pesticide
  subtype:  scabicide  a drug that destroys the itch mite that causes scabies
  subtype:  sheep_dip__sheepdip  a liquid mixture containing pesticides in which sheep are dipped to kill parasites
  subtype:  spray  a pesticide in suspension or solution; intended for spraying

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