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Boreal Willowflies

Scientific Name
MatchScientific Name
**Taeniopteryx nivalis

This common name refers to only one species.

Stonefly Species Taeniopteryx nivalis

These are sometimes called Boreal Willowflies.
Taeniopteryx nivalis (Early Black Stonefly) Stonefly NymphTaeniopteryx nivalis (Early Black Stonefly) Stonefly NymphView 2 PicturesI found this nymph wriggling in the surface film during a hatch of related Strophopteryx adults. This nymph died in transport so it's not alive in the photos, but it's pretty close to its live colors.
Region: Upper Midwest
Collected Mar 18, 2004
Added Jan 25, 2006
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