In this paper, the first occurrence of the vespertilionid bat MyotisripariusHandley, 1960 in the Rio de Janeiro State, southeastern Brazil is reported. Seven specimens were caught with mist nets in the Reserva Biologica do Tinguá, an Atlantic Forest area in the Nova Iguaçu County, Rio de Janeiro state. Taxonomic aspects of this species are discussed. Measurements obtained for the specimens are also provided.
Atlantic Forest; bats; distribution; taxonomy