Scaeva affinis, commonly known as the white-bowed smoothwing, is a species of hoverfly found in western North America.[1] The larval form feeds voraciously on aphids.[2] Scaeva affinis is the only Scaeva likely to be encountered in the Nearctic realm, where it is common in the west and rare in the east.[3] This species is believed to be migratory.[4] In 1823, Thomas Say originally described it as "tergum black with three yellow lunules on each side...inhabits Arkansa."[5] S. affinis was later combined with (and then determined to be a distinct species and was split back off from) Scaeva pyrastri.[6]
| Scaeva affinis | |
|---|---|
| |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Diptera |
| Family: | Syrphidae |
| Subfamily: | Syrphinae |
| Tribe: | Syrphini |
| Genus: | Scaeva |
| Species: | S. affinis
|
| Binomial name | |
| Scaeva affinis (Say, 1823)
| |
References
edit- ^ "White-bowed Smoothwing (Scaeva affinis)". iNaturalist. Retrieved 2023-10-27.
- ^ "Species Scaeva affinis". bugguide.net. Retrieved 2023-10-28.
- ^ Skevington, Jeffrey H.; Locke, Michelle M.; Young, Andrew D.; Moran, Kevin; Crins, William J.; Marshall, Stephen A. (2019-05-14). Field Guide to the Flower Flies of Northeastern North America. Princeton University Press. p. 418. ISBN 978-0-691-19251-2.
- ^ "Insect Migrations". Royal Ontario Museum. Retrieved 2023-10-28.
- ^ "American entomology. A description of the insects of North America, Say, Thomas, 1787-1834., Ord, George, 1781-1866, Le Conte, John Lawrence, ed. 1825-1883". Making of America (University of Michigan).
- ^ "Field Guide to the Flower Flies of Northeastern North America" (PDF).
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