Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Stylogaster

Small Insect w/Proboscis - Stylogaster neglecta - female Possible Grass Fly - Stylogaster neglecta - female Fly - Stylogaster neglecta - male Fly - Stylogaster neglecta - female Mating Flies - Stylogaster - male - female Unknown - Stylogaster neglecta - male Tiny dragonfly - Stylogaster Long legged hoverfly?  - Stylogaster neglecta - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Superfamily Sciomyzoidea
Family Conopidae (Thick-headed Flies)
Subfamily Stylogastrinae
Genus Stylogaster
Synonyms and other taxonomic changes
Revised in(1)
Explanation of Names
Stylogaster Macquart 1835
3 spp. in our area, many in the tropics (mostly Neotropical/Afrotropical)(1)
Key to spp. in(1)

Eastern species can be differentiated by the structure of their antennae: S. neglecta, left, and S. biannulata, right:

Life Cycle
Internal parasites of Orthoptera and Blattaria. In the tropics, members of this genus follow army ants and oviposit on roaches and/or grasshoppers flushed by the ants. Members of this genus also occur in temperate North America (where army ants are absent), where they are believed to parasitize crickets
Print References
Aldrich, John M. (1930). American two-winged flies of the genus Stylogaster Macquart. Proceedings of the United States National Museum 78(2852):1–27. (Full Text)
Woodley, Norm E. & Judd, D. D. (1998). Notes on the host, egg and puparium of Stylogaster biannulata (Say). Proc. Entomol. Soc. Wash. 100(4): 658-664. (Full Text)
Works Cited
1.Revision of Nearctic Stylogaster (Diptera: Conopidae)
Burt, T.O., J.H. Skevington, and L. Rocha. 2015. Canadian Entomologist 147: 125-147.