Genus Mimocalla Hull, 1943 stat. rev.

Figs 1, 72, 74, 76.

Mimocalla Hull, 1943b: 46, as a subgenus of Baccha . Type species: Baccha capitata Loew, 1863 (original designation). Ocyptamus capitatus species group. Thompson (1981).

Ocyptamus (Mimocalla) . Thompson & Zumbado (2000), Mengual et al. (2012).

Diagnosis. Sinuate vein R4+5 and sigmoid vein M1. Strongly petiolate abdomen. Enlarged male genitalia including a modified 4th sternum. Frons usually prominent and antenna short. Metacoxa and metatrochanter with thick and dense pile.

Biology. Immatures of the genus Mimocalla feed on scale insects ( Hemiptera: Coccidae and Diaspididae) and whiteflies ( Hemiptera: Aleyrodidae) (Thompson & Zumbado 2000; Rojo et al. 2003).

Comments. One of the largest syrphine flies, this genus can be recognized by the distinct sinuous R4+5 and M1 veins plus the dense pile on the metacoxa and metatrochanter.

Species list (7): M. bonariensis (Bréthes, 1905), M. capitata (Loew, 1863), M. erebus (Hull, 1943e), M. gigantea (Schiner, 1868), M. nymphaea (Hull, 1943f), M. tristani (Zumbado in Thompson & Zumbado, 2000), M. willistoni (Thompson in Thompson et al., 1976) .