Genus Coelioxys Latreille
Taxonomy: Mitchell (1962, 1980); Baker (1975); Rocha Filho & Packer (2016).
Biology. Coelioxys are primarily cleptoparasites of Megachile (Baker 1975; Baker et al. 1985; Graenicher 1905; Hurd 1979; Ivanochko 1979).