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

Thanksgiving Day fly - Orbellia Heleomyzid Fly - Orbellia barbata - male Winter Fly  - Orbellia Long-winged fly - Orbellia Orbellia sp. - Orbellia Orbellia barbata? - Orbellia barbata - male Orbellia spp.? - Orbellia barbata Heleomyzidae, dorsal - Orbellia barbata
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Family Heleomyzidae
Subfamily Heleomyzinae
Genus Orbellia
Dorsocentrals numerous but only posterior two strong; scutellum with three pairs of marginal bristles (vs. two in most Heleomyzidae). Costal spines often weak.
Probably only two species in North America, barbata with legs mostly yellow and petersoni with legs mostly dark.