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

National Moth Week photos of insects and people. Here's how to add your images.

Photos of insects and people from the 2019 BugGuide 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.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


Species Boreothrinax maculipennis

BG1363 C0447 - Boreothrinax maculipennis Pyrgota maculipennis - Boreothrinax maculipennis Pyrgotid Fly - Boreothrinax maculipennis - male Acalyptratae Fly - Boreothrinax maculipennis ID Request - Boreothrinax maculipennis Mottled-winged fly - Boreothrinax maculipennis Acalyptratae Fly - Boreothrinax maculipennis Boreothrinax maculipennis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Superfamily Tephritoidea
Family Pyrgotidae
Genus Boreothrinax
Species maculipennis (Boreothrinax maculipennis)
Synonyms and other taxonomic changes
Pyrgota filiola Loew 1876, P. debilis Osten Sacken 1877
Explanation of Names
Boreothrinax maculipennis (Macquart 1846)
e US to AZ(1)
See Also
two similar looking Sphecomyiella species are often confused with B. maculipennis --see(2) item (2)
Works Cited
1.Synopsis of the North American Pyrgotidae (Diptera)
Steyskal G.C. 1978. Proc. ent. Soc. Wash. 80: 149-155.
2.Various Identification Issues with Pyrgotidae on BG