Abstract Twospotted spider mite, Tetranychus urticae Koch (Trombidiformes: Tetranychidae), is an important, worldwide pest of watermelon, Citrullus lanatus L. (Thunb.) Matsum. & Nakai (Cucurbitales: Cucurbitaceae). Feeding results in chlorotic spots and leaf necrosis, which can substantially reduce yields. In T. managed solely with acaricides. Issues acaricide resistance pesticide label res...

Helicoverpa armigera (Hübner) is one of the most destructive pests of several field and vegetable crops, with indiscriminate use of insecticides contributing to multiple instances of resistance. In the present study we assessed whether H. armigera had developed resistance to Bt cotton and compared the results with several conventional insecticides. Furthermore, the genetics of resistance was al...

The psyllid Diaphorina citri Kuwayama (Hemiptera: Psyllidae) is one of the most important pests of citrus worldwide because it efÞciently vectors three bacteria in the genus Candidatus Liberibacter that cause the devastating citrus greening disease (huanglongbing). Current management practices for this insect pest rely on multiple sprays of foliar insecticides and one or two applications of soi...

We evaluated the effects of 23 insecticides and 9 fungicides on mite Neoseiulus barkeri（Hughes）collected from melon gerbera greenhouses. The nitenpyram, acetamiprid, flufenoxuron, chlorantraniliprole, pyridalyl, acequinocyl, cyenopyrafen, cyflumetofen, pyflubumide, fungicide flutianil＋mepanipyrim had no effect survival fecundity adult females. In contrast, spinosad, spinetoram, abamectin, emame...