Taxonomia de Rhopalosoma Cresson, 1865 (Hymenoptera: Vespoidea: Rhopalosomatidae) no Brasil: novas espécies, redescrições e chave de identificação

Abstract

Rhopalosoma Cresson, 1865 is a genus of solitary wasps belonging to the family Rhopalosomatidae, whose larvae develop as ectoparasitoids of crickets. In this work, the six species registered from Brazil R. alvarengai Townes, 1977, R. angulare Townes, 1977, R. bahianum Schulz, 1906, R. impar Townes, 1977, R. isopus Townes, 1977, R. lanceolatum Townes, 1977 and two more, R. breelandi Townes, 1977 and R. minus Townes, 1977 registered for the first time, are revised and had the inclusion of new diagnostic characters and the description of the male specimen, when this was Unknownn. Eight new species are described: Rhopalosoma sp. nov. 1, Rhopalosoma sp. nov. 2, Rhopalosoma sp. nov. 3, Rhopalosoma sp. nov. 4, Rhopalosoma sp. nov. 5, Rhopalosoma sp. nov. 6, Rhopalosoma sp. nov. 7 and Rhopalosoma sp. nov. 8. The taxonomic study includes images, illustrations of the main diagnostic characters, identification key and distribution maps for all species, in addition to providing for the first time a detailed descriptive study of the male genitalia of seven species.