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

Salmonflies
Pteronarcys californica

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

Here Oksrukuyik Creek flows away from the Dalton Highway toward the pipeline. It eventually grows into one of the major rivers of the North Slope, and the main drainage to the west of the Sag, but where it crosses the road it's just a small grayling stream.

From Oksrukuyik Creek in Alaska

Stream photos

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Female Hydropsyche (Spotted Sedge) Caddisfly Adult Female Hydropsyche (Spotted Sedge) Caddisfly Adult

Lateral view of a Female Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Adult from the Columbia River in Washington

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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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Caddisfly Species Ceraclea maculata (Scaly-Wing Sedges)

Where & when

Time of year : May through September; peaks in June in the Ozarks

This species is most common in the Midwest, where it is especially important in the Ozarks.

In 79 records from GBIF, adults of this species have mostly been collected during June (32%), July (24%), August (22%), May (14%), and September (5%).

In 30 records from GBIF, this species has been collected at elevations ranging from 26 to 6161 ft, with an average (median) of 2641 ft.

Species Range

source

Map of specific collection sites

Start a Discussion of Ceraclea maculata

References

LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.