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

Fruit Fly - Eutreta novaeboracensis ? Fly ? - Eutreta angusta BG1049 D0645 - Eutreta Fly ID Request - Eutreta Eutreta Black White spotted fly - Eutreta rotundipennis Tephritidae ex stem gall, Eutrochium - Eutreta Fruit fly on Jerusalem Artichoke, Eutreta?   - Eutreta
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Superfamily Tephritoidea
Family Tephritidae (Fruit Flies)
Subfamily Tephritinae
Tribe Eutretini
Genus Eutreta
Explanation of Names
Eutreta Loew 1873
3 subgenera, with 23 spp. in our area and 35 spp. total(1)
5‒8 mm
see (2)
NA (+1 sp. in Australia)(1)
in our area:
Subgenus Eutreta
E. angusta Banks 1926: sw.US
E. caliptera (Say 1830): e.NA
E. frontalis Curran 1932: e.NA
E. hespera Banks 1926: w.NA
E. intermedia Stoltzfus 1977: AZ
E. novaboracensis (Fitch 1855): e.NA
Subgenus Metatephritis
E. coalita Blanc 1979: CA
E. decora Stoltzfus 1977: UT
E. diana (Osten Sacken 1877): w.NA
E. divisa Stoltzfus 1977: sw.Canada & nw.US
E. fenestrata Foote 1960: n.CA‒WY
E. longicornis Snow 1894: sw.Canada & nw.US
E. oregona Curran 1932: nw.US
E. pollinosa Curran 1932: nw.US
E. simplex Thomas 1914: CA to CO‒NM
Subgenus Setosigena
E. fenestra Stoltzfus 1977: AZ
E. rotundipennis (Loew 1862): e.US
Coastal Dunes, Woodlands
Gall-formers on Asteraceae
Print References
Stoltzfus W.B., Foote B.A. (1965) The use of froth masses in courtship of Eutreta (Diptera: Tephritidae) Proc. Ent. Soc. Wash. 67: 263‒264. (Full text)
Internet References
Fact sheets by Steck & Sutton (2002): E. calipteraE. rotundipennis