New Neotropical Species of the Genus Holotrochtis (Coleoptera: Staphylinidae: Osoriinae)

Abstract

Examination of collections of Holotrochus beetles (Staphylinidae: Osoriinae,) from the Neotropics has revealed 17 new species. Nine are from South America and nine from Central America. The species are: H. gandersoni (Costa Rica: Puntarenas), H. arcuatus (Costa Rica: Heredia), H. ashei (Peru: Madre de Dios), H. bolivianus (Bolivia: Cochabamba), H. brooksi (French Guyana: Cayenne), H. chilensis (Chile: Osorno and Chileo), H. chiriquensis ( Panama: Chiriqui, and Costa Rica: Puntarenas), H. crassicornis (Brazil: Minas Gerais), H. curtipennis (Ecuador: Azuay), H. decumanus (Honduras: Olancho, and Costa RicaL: Puntarenas), H. honduranus (Honduras: Santa Barbara), H. lescheni (Peru: Madre des Dios, and Bolivia: Cochabamba), H. loreti (Peru: Loreto), H. minax (Venezuela: Aragua), H. panamae (Panama: Chiriqui), H. rufomarginatus (Guatemala), and H. uncinatus (Mexico: Oaxaca). Keys are provided for the identification of the Holotrochus neotropicus group and the H. brasiliensis group including maps of distribution for the species of these groups.