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Early Brown Stoneflies

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This common name refers to only one genus.

Stonefly Genus Strophopteryx

These are often called Early Brown Stoneflies.
Strophopteryx fasciata is the most important species of Early Brown Stoneflies.
Strophopteryx fasciata (Mottled Willowfly) Stonefly NymphStrophopteryx fasciata (Mottled Willowfly) Stonefly Nymph View 2 Pictures
Collected March 10, 2004 from in
Added to by on January 19, 2006
Female Strophopteryx fasciata (Mottled Willowfly) Stonefly AdultFemale Strophopteryx fasciata (Mottled Willowfly) Stonefly Adult View 4 PicturesSeveral stoneflies of this species were the first adult insects I found in 2004 when I started this site. The hatch was sparse but lasted a good part of the day, and I noted a few good rises despite the early season cold. They ended up struggling on the water's surface fairly often.
Collected March 16, 2004 from in
Added to by on January 25, 2006
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