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Mayfly Genus Teloganopsis (Little black Quills)

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Common Name
MatchCommon Name
****Little black Quills
Pictures Below
This genus contains a single species in the U.S., previously identified as Serratella deficians (Little Dark Olive). Teloganopsis deficians (Darth Vader Dun) can be important in the East where it's little dark (almost black) winged duns are hard to mistake for several other common dark ephemerellids.

This genus is unrepresented in the West.

Pictures of 1 Mayfly Specimen in the Genus Teloganopsis:

Teloganopsis deficiens (Little Black Quill) Mayfly NymphTeloganopsis deficiens (Little Black Quill) Mayfly Nymph View 6 PicturesThis nymph has tiny, barely detectable tubercles (
A few (not all) of the abdominal tubercles on this Ephemerella needhami nymph are circled.  They are especially large in this species.
A few (not all) of the abdominal tubercles on this Ephemerella needhami nymph are circled. They are especially large in this species.
Tubercle: Various peculiar little bumps or projections on an insect. Their character is important for the identification of many kinds of insects, such as the nymphs of Ephemerellidae mayflies.
)
on its abdominal segments, and I could not find the maxillary palpi. I have tentatively guessed that it is Serratella deficiens.
Collected June 9, 2005 from the Bois Brule River in Wisconsin
Added to Troutnut.com by Troutnut on May 26, 2006

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