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For Insects, Spiders & Their Kin
For the United States & Canada
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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


Genus Nausigaster

Small Silver Fly - Nausigaster unimaculata - female Syrphid on fennel (aka anise) - Nausigaster unimaculata - male Small fly - Nausigaster unimaculata - female Syrphid - Nausigaster unimaculata Fly - Nausigaster unimaculata Nausigaster unimaculata? - Nausigaster unimaculata - male Male, Nausigaster punctulata? - Nausigaster geminata Male, Nausigaster punctulata? - Nausigaster geminata
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Aschiza")
Family Syrphidae (Hover Flies)
Subfamily Eristalinae
Tribe Merodontini
Genus Nausigaster
Explanation of Names
Nausigaster Williston 1884
8 spp. in our area(1), 17 total(2)
sw. US (TX-CA) to Argentina(2)
Print References
Curran C.H. (1941) New American Syrphidae. Bull. AMNH 78(3): 243-304 (Full text; key: p. 254)
Internet References
Works Cited
1.Key to the genera of nearctic Syrphidae
Miranda G.F.G, Young A.D., Locke M.M., Marshall S.A., Skevington J.H., Thompson F.C. 2013. Can. J. Arthropod Identification 23: 1-351.
2.Thompson F.C., Pape T., Evenhuis N.L. (2013) Systema Dipterorum, Version 1.5