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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 Nymph View 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.
Collected March 18, 2004 from in
Added to Troutnut.com by on January 25, 2006
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