Figures 27-34 from: Reemer M, Stahls G (2013) Generic revision and species classification of the Microdontinae (Diptera, Syrphidae). ZooKeys 288: 1-213. https://doi.org/10.3897/zookeys.288.4095

Figures 27-34 - 27–29 Aristosyrphus primus male: 27 habitus dorsal (Brazil, coll. J.T. Smit) 28 wing (Brazil, coll. J.T. Smit) 29 genitalia lateral (Brazil, coll. SEMC) 30–34 Aristosyrphus (Eurypterosyrphus) males: 30 Aristosyrphus currani male (holotype), habitus lateral 31 Aristosyrphus. spec. (Brazil, coll. ZMAN), head lateral 32 Aristosyrphus spec. #1 (Costa Rica, coll. ZMAN), genitalia ventral 33 Aristosyrphus spec. #2 (Brazil, coll. ZMAN), genitalia lateral 34 Aristosyrphus spec. #1 (Costa Rica, coll. ZMAN), genitalia lateral.