The experiments were showed that not significantly (P<0.001) different among insecticides and from the standardcheck (Diazinon 60 E.C) against onion thrips. However, they were highly significant (P<0.001) different whencompared with untreated check (table 1). The efficacy percent of Cutter 112 E.C (100, 100%), Triger 5% E.CTM(100, 98%) Azadirachta indica (76.07, 78%) and Diazinon 60 E.C (95.6, 92.37) at Ambo and Guder farmerscultivated field, respectively, after treatment application of 72 hours. The results were relatively increase from 24hours until 72 hours but there was not significantly different after 24 hours and also not significantly differentbetween the locations.
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