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

Upcoming Events

Interested in a 2022 BugGuide gathering in New Mexico?

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 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.

Previous events


Genus Rhagio

Rhagionidae to identify please... - Rhagio tringarius Fly ID - Rhagio Snipe Fly - Rhagio Rhagio? - Rhagio Rhagio punctipennis - female Rhagio - Rhagio mystaceus - male Unidentified insect 051518  - Rhagio Blonde Fly - Rhagio
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Infraorder Tabanomorpha
Family Rhagionidae (Snipe Flies)
Genus Rhagio
Explanation of Names
Rhagio Fabricius 1775
25 spp. in our area(1), ~160 total(2)
The distinctive feature of the larva is the internal head capsule with two sections connected by narrow rods, the hind section with a projecting lobe.

Adults are distinguished from Chrysopilus by the presence of two spurs on the hind tibia instead of one.
holarctic, with some representation in the Oriental Region(2)
Print References
Chillcott J.G. (1965) A revision of the eastern Nearctic species of Rhagio Fabricius (Diptera: Rhagionidae). Can. Ent. 97: 785-795.
James M.T. (1964) The Rhagio dimidiatus Group in Western North America (Diptera, Rhagionidae). Can. Ent. 96: 550-568.
James M.T. (1965) Some notes on Rhagio (Diptera: Rhagionidae) of the Western United States and Canada. Can. Ent. 97: 333-336.
Thompson F.C. (1969) First record of Rhagio scolopaceus (Linné) in North America. Proc. ent. Soc. Wash. 71: 141-143. (Full text)