Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

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

TaxonomyBrowse
Info
ImagesLinksBooksData

Species Mydas maculiventris

Mydas Fly - Mydas maculiventris mydas fly - Mydas maculiventris Midas flies? - Mydas maculiventris - male - female Mydas Fly - Mydas maculiventris Is this a sawfly? - Mydas maculiventris larva? - Mydas maculiventris fly - Mydas maculiventris fly - Mydas maculiventris
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Superfamily Asiloidea
Family Mydidae (Mydas Flies)
Subfamily Mydinae
Genus Mydas
Species maculiventris (Mydas maculiventris)
Size
Circa 20 mm
Identification
It is a very good mimic of a Polistes, looking similar to what is likely Polistes metricus, such as:
Range
Southeastern United States? Reported from North Carolina, Florida.
Season
Reported June-July in coastal plain of North Carolina (1).
Print References
Brimley, p. 335, reports from coastal plain of North Carolina (1).
Deyrup, Florida's Fabulous Insects, p. 134--photo, apparently of this species (2)
Genung, W. G. (1959). Biological and Ecological Observations on Mydas maculiventris Westwood (Diptera: Mydaidae) as a Predator of White Grubs. The Florida Entomologist
Vol. 42, pp. 35-37 (JSTOR)
Works Cited
1.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.
2.Florida's Fabulous Insects
Mark Deyrup, Brian Kenney, Thomas C. Emmel. 2000. World Publications.