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Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

Updates from July 31, 2007

Closeup insects by Bnewell from Kintla Lake and Flathead Lake in Montana

Ecdyonurus criddlei (Little Slate-Winged Dun) Mayfly Nymph
This is an interesting Heptageniid mayfly since in western Montana it is only found in cold lakes, especially those in Glacier National Park.
Paraleptophlebia bicornuta (Large Slate-Winged Mahogany Dun) Mayfly Nymph
This species is interesting because it is common in lakes as well as streams. It is one of the last species of the year to emerge in western Montana. Adults have been collected as late as October 15 weather permitting.
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