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

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This seems to be a young larva of Limnephilus. Although not clear in the picture, several ventral abdominal segments have chloride epithelia.

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Caddisfly Species Cheumatopsyche pettiti (Little Sister Sedges)

This is the second most important species of Cheumatopsyche.

Where & when

Time of year : Late spring through midsummer; peaks in May in the East, June or July in the West

Preferred waters: Small streams and rivers

This species is found across the country, including Hawaii.

In 40 records from GBIF, adults of this species have mostly been collected during June (38%), July (25%), August (18%), and May (13%).