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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Pteronarcys californica

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

Dorsal view of a Pycnopsyche guttifera (Limnephilidae) (Great Autumn Brown Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen appears to be of the same species as this one collected in the same spot two months earlier. The identification of both is tentative. This one suffered some physical damage before being photographed, too, so the colors aren't totally natural. I was mostly photographing it to test out some new camera setting idea, which worked really well for a couple of closeups.
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
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Stonefly Family Taeniopterygidae (Willowflies)

The Early Brown and Early Black Willowflies of this family are some of the first relevant insects of the very early season. The egg-laying adults produce good dry fly fishing on lucky days when the river warms enough for the trout to rise. On cooler days their nymphs produce well.

Where & when

In 334 records from GBIF, adults of this family have mostly been collected during March (36%), February (25%), January (18%), and April (13%).

In 38 records from GBIF, this family has been collected at elevations ranging from 20 to 11430 ft, with an average (median) of 2346 ft.

Family Range

Specimens of the Stonefly Family Taeniopterygidae

4 Male Adults
2 Female Adults
2 Adults
8 Nymphs

3 Underwater Pictures of Taeniopterygidae Stoneflies:

Start a Discussion of Taeniopterygidae

Stonefly Family Taeniopterygidae (Willowflies)

Family Range
Common Name
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