Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
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Upcoming Events

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Species Copestylum mexicanum - Mexican Cactus Fly

Copestylum mexicanum - female Metallic Blue - Copestylum mexicanum - female Mexican Cactus Fly for California in June - Copestylum mexicanum Big black Hoverfly ? - Copestylum mexicanum Large Fly - Copestylum mexicanum Large Bumble Fly? - Copestylum mexicanum Blue Black Fly unknown - Copestylum mexicanum No idea  - Copestylum mexicanum
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
No Taxon (mexicanum-violaceum group)
Species mexicanum (Mexican Cactus Fly)
Other Common Names
Mexican Flower Fly
Synonyms and other taxonomic changes
Volucella mexicana, V. nigra
Explanation of Names
Copestylum mexicanum (Macquart 1842)
so. US (GA-FL-CA) & Mexico(1)
Larvae feed on rotting cactus