Jim Johnson (Dept. of Entomology; Michigan State University; 243 Nat. Sci. Bld 8; East Lansing, MI 48824-1115, USA).

Current projects: Revision of the species of American Aphidius north of Mexico is ongoing. Population genetics and morphometric analysis of native and exotic aphid parasitoids - This project is investigating parasitoids of the Russian wheat aphid D. noxia, both from a biochemical and morphological basis. Primary groups of interest are native and exotic Diaeretiella rapae and Aphidius spp.