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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


Species Tritoxa flexa - Black Onion Fly

Picture-winged Fly - Tritoxa flexa black picture wing - Tritoxa flexa Unidentified Insect 43 - Tritoxa flexa Ulidiidae, Tritoxa flexa, black onion fly - Tritoxa flexa Black Onion Fly - Tritoxa flexa - female Tritoxa flexa Tritoxa flexa (Black Onion Fly) - Tritoxa flexa Tritoxa flexa
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Superfamily Tephritoidea
Family Ulidiidae (Picture-winged Flies)
Subfamily Otitinae
Tribe Cephaliini
Genus Tritoxa
Species flexa (Black Onion Fly)
Explanation of Names
Tritoxa flexa (Wiedemann 1830)
e NA (CT-GA to MB-ND-IL)(1)
associated with cultivated garlic