The use of toxic baits to control the Formosan subterranean termite Coptotermes formosanus Shiraki requires an insecticide that is non-repellent and sufficiently slow acting that poisoned termites leave treated areas before dying. Of the many insecticides screened, only Amdro® exhibited these characteristics. The oral toxicity (LD 50) of Amdro® to Coptotermes formosanus was estimated at 12.33 µg/g with fiducial limits of 10.33 to 12.62 µg/g, LD 90 was 26.30 µg/g with fiducial limits of 25.75 to 31.74 µg/g.

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