A key component of Integrated Pest Management (IPM) in agricultural systems is ®eld monitoring for pests prior to reaching a management decision. The study objective was to quantify a common design constraint of commercial IPM sampling programs: the trade-o€ between sampling time and accuracy of the resulting pest management decision. Using consperse stink bug (Euschistus conspersus Uhler) in p...

The Japanese species of the genus Scaphoideus are revised. Eight species are recognized from Japan, including four new species: S. ryukyuensis sp. nov. from the Ryukyus, S. pristiophorus sp. nov. from Honshu and Kyushu, S. aurantius sp. nov. from the Ryukyus and S. brevistylus sp. nov. from Honshu, Kyushu and the Ryukyus.