Genus Ornidia Lepeletier & Serville

Ornidia Lepeletier & Serville, in Latreille et al. 1828:786 . Type species, Syrphus obesus Fabricius (orig. des.).

Refs.: Curran, 1930d (key); Val 1872 (key, biometry, evolution,males genitalia); Thompson, 1972:106–107 (desc. and relationships); Thompson, 1991 (rev); Whittington & Rotheray, 1997:365–372 (Afrotropical distr. and desc. of larva); Thompson, 1999a:330 (key), Morales & Köhler, 2004:93–102 (key, rev. and floral preferences); Rotheray et al. 2005 (key and rev. of larvae); Carvalho– Filho & Esposito, 2009:59–64 (key, rev. and males genitalia comparison).

Volucella, subg. Ornidia: Hull, 1949:348 (description)