The 2e of Manual of Techniques in Invertebrate Pathology is written by an international group of experts who contribute a broad array of techniques for the identification, isolation, culture, bioassay, propagation, and storage of the major groups of entomopathogens. The manual provides general and specific background to experienced insect pathologists, biologists, and entomologists who work with pathogen groups that are new to them. It is also useful as a laboratory manual for courses in insect pathology and biological control and related areas of study. Safety testing of entomopathogens in mammals and complementary techniques for