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).

Published as part of Mengual, Ximo, Miranda, Gil Felipe G. & Thompson, F. Christian, 2018, Unraveling Ocyptamus and the Baccha legacy (Diptera: Syrphidae): redefinition of groups and new species descriptions, pp. 1-44 in Zootaxa 4461 (1) on pages 9-10, DOI: 10.11646/zootaxa.4461.1.1, http://zenodo.org/record/1459796