Omegasyrphus

Omegasyrphus is a genus of hoverflies, with five known species. These are small Microdontinae flies with a distinctive abdominal shape; the second segment is widened, flattened, and flared, with its lateral margin subcircular, thickened, and rounded, and the rest of abdomen (third–fifth segments) narrowed and cylindrical.^[1] Larvae are found in ant nests. They are native to southern North America.^[1] The genus was previously treated as a subgenus of Microdon.^[2]

Omegasyrphus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Syrphidae
Subfamily:	Microdontinae
Genus:	Omegasyrphus Giglio-Tos, 1891
Type species
Microdon coarctatus Loew, 1864

Species

• Omegasyrphus baliopterus (Loew, 1872)
• Omegasyrphus coarctatus (Loew, 1864)
• Omegasyrphus gracilis (Bigot, 1883)
• Omegasyrphus painteri (Hull, 1922)
• Omegasyrphus pallipennis (Curran, 1925)