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A list of entomopathogens from two Chihuahuan desert localities in Mexico is given. Rhabditid nematodes, nuclear polyhedrosis viruses, a rickettsia (Rickettsiella popilliae), the fungi Beauveria bassiana, Entomophaga calopteni (= Entomophaga grylli pathotype 2), Entomophthora muscae, Entomophthora planchoniana, Furia vomitoriae, Nomuraea rileyi, Metarhizium anisopliae var. anisopliae, Pandora gammae, Pandora neoaphidis and Zoophthora radicans, and the microsporidian Nosema weiseri were all collected from the campus of the Universidad Autonoma Agraria Antonio Narro, near the city of Saltillo, state of Coahuila, Mexico. Metarhizium anisopliae var. anisopliae and Paecilomyces fumosoroseus were collected in the urban area of Saltillo. B. bassiana, Fusarium sp. (very similar to Fusarium coccophilum), M. anisopliae and Paecilomyces farinosus were collected in an apple orchard 50 km east of Saltillo. The nematodes, B. bassiana, E. calopteni, M. anisopliae, P. gammae, P. neoaphidis, and Z. radicans caused mortality levels of > 10% in their respective hosts in the field.