Diazinon is a thiophosphoric acid ester, non-systemic organophosphate insecticide for control cockroaches, silverfish, ants, flies and fleas in residential, non-food buildings. It’s heavily used in the previous for general-purpose gardening use and indoor pest control. A bait form was used to control scavenger wasps widely. Diazinon is used in flea collars for domestic pets inAustraliaandNew Zealand. An emergency antidote is atropine.