The green cloverworm, Plathypena scabra (F.), is an indigenous pest of soybean and other leguminous crops in the eastern United States. We have recently in vestigated the ecology and behavior of nabid predators of the green cloverworm, as well as the tactics used by four common hymenopteran parasites to overcome the defensive behavior of young green cloverworm caterpillars. Of the three dominan...

The whitefly Bemisia tabaci is a global pest, well-known for its capacity to transmit begomoviruses during sap sucking (<24h). Chemical control mainly adopted, aiming kill the insect before it acquires and transmits virus. In present study, we evaluated toxicity of 17 insecticides on B. subsequently determined lethal time this pest (only that caused mortality equal or greater than 80%). Here...