Observations on Torvothrips Kosztarabi (Thysanoptera: Phlaeothripidae) Inhabiting Coccoid Galls
Abstract
Observations are given on the biology and protective behavior of Torvothrips kosztarabi Johansen, which inhabits galls of the coccoid Olliffiella cristicola Cockerell on Emory oak, Quercus emoryi Torrey in southeastern Arizona. The galls and their inhabitants are described, including the immature stages of the thrips. The mean frequency of infested galls over several sampling dates in different years was 25%. Twelve other species of arthropods were found in the galls.Downloads
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