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Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

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

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

Photos of 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

Previous events


Species Tritoxa flexa - Black Onion Fly

 Picture-winged Fly - Tritoxa flexa Picture-Winged Fly (Tritoxa sp.?) - Tritoxa flexa Wasp? Fly? - Tritoxa flexa Mating Black Onion Flies - Tritoxa flexa - male - female Black fly with White Stripes - Tritoxa flexa Fly for ID - Tritoxa flexa Flower Fly? - Tritoxa flexa Fruit fly - 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