The invasive polyphagous cotton mealybug, Phenacoccus solenopsis Tinsley has emerged as a serious sucking pest of cotton. laboratory and field bioassays seven selected insecticides belonging to five toxicant groups were evaluated against P. their most abundant natural predators, Chrysoperla carnea (Steph.) Hyperaspis vinciguerrae Capra. Based on the toxicity index toxic group under conditions w...

Abstract The objective was to evaluate the residual action of insecticides acetamiprid + etofenprox, spinetoram, indoxacarb and methoxyfenozide on predator Chrysoperla externa Hagen, 1861 (Neuroptera: Chrysopidae). bioassays followed methodologies proposed by International Organization for Biological Integrated Control (IOBC). were sprayed grapevine plants cv. Burgundy, using maximum recommende...