Omegasyrphus

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

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]

Species

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

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References

Xin-Yue Cheng & F. Christian Thompson (2008). "A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China" (PDF). Zootaxa. 1879: 21–48.
Reemer, Menno; Ståhls, Gunilla (2013). "Generic revision and species classification of the Microdontinae (Diptera, Syrphidae)". ZooKeys. 288: 1–213. doi:10.3897/zookeys.288.4095. PMC 3690914. PMID 23798897.

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[Cheng2008-1] Xin-Yue Cheng & F. Christian Thompson (2008). "A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China" (PDF). Zootaxa. 1879: 21–48.

[Reemer2013-2] Reemer, Menno; Ståhls, Gunilla (2013). "Generic revision and species classification of the Microdontinae (Diptera, Syrphidae)". ZooKeys. 288: 1–213. doi:10.3897/zookeys.288.4095. PMC 3690914. PMID 23798897.