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TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Copestylum

Large Syrphid for California in February - Copestylum marginatum Copestylum ?? - Copestylum Syrphid - Copestylum - female Copestylum on Encelia californica - Copestylum - male fly 79 - Copestylum isabellina Big-faced Syrphid Fly - Copestylum apiciferum Unknown insect  - Copestylum White-faced flower fly or bee - Copestylum
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Aschiza")
Family Syrphidae (Syrphid Flies)
Subfamily Eristalinae
Tribe Volucellini
Genus Copestylum
Explanation of Names
Copestylum Macquart 1846
Numbers
35 spp. in 3 subgenera in our area(1), >300 total
Size
6-16 mm
Identification
Note distinctive "snout" of this and related genera. Copestylum has plumose arista and distinctive wing venation. See Key to the Genera of Nearctic Syrphidae (1) and images here for details.
Range
New World, mostly tropical; in our area, across the US + sw. Canada(1); 4 spp. introduced to Hawaii and the Canary Islands
Habitat
larvae develop in various kinds of decaying organic matter (saguaro, rotting banana stumps, paw-paw, exudates from Timbo, etc.) and also found in the water-filled bracts of Heliconia spp. (Marcos-García & Pérez-Bañón 2001); adults found on flowers
Food
Larvae feed on decaying matter, mostly rotting cactus (many spp. reared from Opuntia) (Marcos-García & Pérez-Bañón 2001)
Print References
Marcos-García M.A., Pérez-Bañón C. (2001) Immature stages, morphology and feeding behavior of the saprophytic syrphids Copestylum tamaulipanum and Copestylum lentum (Diptera: Syrphidae). Eur. J. Entomol. 98: 375-385. (Full text)
Martínez-Falcóna et al. 2012. A critical role for Copestylum larvae (Diptera, Syrphidae) in the decomposition of cactus forests. J. Arid Envir. 78: 41–48. (Abstract & highlights)
Internet References
Works Cited
1.Key to the genera of nearctic Syrphidae
Miranda G.F.G, Young A.D., Locke M.M., Marshall S.A., Skevington J.H., Thompson F.C. 2013. Canadian Journal of Arthropod Identification 23: 1-351.
2.Syrphidae of Ontario