Unraveling Ocyptamus and the Baccha legacy (Diptera: Syrphidae): redefinition of groups and new species descriptions Author Mengual, Ximo Author Miranda, Gil Felipe G. Author Thompson, F. Christian text Zootaxa 2018 2018-08-20 4461 1 1 44 journal article 28997 10.11646/zootaxa.4461.1.1 9c7f14b6-7cfb-4305-88b1-8ce90d4b21e7 1175-5326 1459796 C0F0C0EF-D22C-47ED-9400-F50A8E122DD0 Toxomerus immaculatus ( Macquart, 1842 ) comb. nov. Syrphus immaculatus Macquart, 1842 : 158 . Type-locality: Brazil or Chile [T MNHN]. Ocyptamus immaculatus . Thompson et al . (1976 : 20 ). Comments . The type specimen shows typical abdominal markings of Toxomerus species and should be allocated therein. The illustrated type specimen in Macquart (1842: plate 17: fig. 1) clearly shows that it is a Toxomerus species.