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Little Yellow Quills

Scientific Name
MatchScientific Name
***Leucrocuta hebe

This common name refers to only one species.

Mayfly Species Leucrocuta hebe

These are often called Little Yellow Quills.
This widespread species produces more fishable hatches in the East and Midwest than any other species in the Heptagenia genus complex.
Leucrocuta hebe (Little Yellow Quill) Mayfly NymphLeucrocuta hebe (Little Yellow Quill) Mayfly NymphView 3 PicturesThis is a very early instar (Instar: Many invertebrates molt through dozens of progressively larger and better-developed stages as they grow. Each of these stages is known as an instar. Hard-bodied nymphs typically molt through more instars than soft-bodied larvae.).
Region: Upper Midwest
Collected Feb 7, 2004
Added Jan 25, 2006
Female Leucrocuta hebe (Little Yellow Quill) Mayfly DunFemale Leucrocuta hebe (Little Yellow Quill) Mayfly DunView 9 PicturesI found this dun on the same piece of stream as a similar spinner, probably of the same species.
Region: Northeast
Collected Sep 19, 2006
Added Oct 4, 2006
Male Leucrocuta hebe (Little Yellow Quill) Mayfly SpinnerMale Leucrocuta hebe (Little Yellow Quill) Mayfly SpinnerView 10 Pictures
Region: Upper Midwest
Collected Jun 5, 2005
Added May 25, 2006
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Last update July 19th, 2007.
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