Research Entomologist/Ecologist (Permanent): The USDA-ARS North Central Agricultural Research Laboratory in Brookings, SD is seeking an Entomologist/Ecologist to plan and conduct individual and team research to identify and quantify key factors influencing the ecology of soil-dwelling invertebrates with an overall goal of improving soil and plant health. Research will be conducted in collaboration with other scientists within and outside the Research Unit, contributing expertise in invertebrate biology and the development of IPM and sustainable cropping systems based upon sound ecological principles. The specific research objectives are: Develop fundamental knowledge of soil invertebrate communities and their interactions within ecosystems of the Nor