Bithoracochaeta Stein, 1911 and eigth known species are redescribed: B. annulata Stein, 1911; B. atricornis Malloch, 1934; B. flavicoxa Malloch, 1934; B. leucoprocta (Wiedemann, 1830), B. maricaensis Couri & Motta, 1994 , B. nigricornis Malloch, 1934; B. plumata Albuquerque, 1955; B. varicornis (Coquillett, 1900). The redescriptions of B. sociabilis Blanchard, 1937 and B. pacifera (Giglio-Tos, 1893) are not presented because no material was available. A key to identification of the redescribed species is presented.
Diptera; Muscidae; Bithoracochaeta; taxonomy; Neotropical