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.

Lone tree on a rock in the middle of Big Lake. Fittingly, Big Lake is the largest of several short wide spots in the upper Brule River.

From the Bois Brule River in Wisconsin

Stream photos

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Epeorus albertae (Pink Lady) Mayfly Nymph Epeorus albertae (Pink Lady) Mayfly Nymph

Dorsal view of a Epeorus albertae (Heptageniidae) (Pink Lady) Mayfly Nymph from the East Fork Issaquah Creek in Washington

This specimen keys to the Epeorus albertae group of species. Of the five species in that group, the two known in Washington state are Epeorus albertae and Epeorus dulciana. Of the two, albertae has been collected in vastly more locations in Washington than dulciana, suggesting it is far more common. On that basis alone I'm tentatively putting this nymph in albertae, with the large caveat that there's no real information to rule out dulciana.

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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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Lepidostoma (Little Brown Sedge) Caddisfly Larva Pictures

This one got a little bit damaged in the abdomen when I extracted it from its case. That's a delicate job.

Case view of a Lepidostoma (Lepidostomatidae) (Little Brown Sedge) Caddisfly Larva from Mongaup Creek in New York

Lepidostoma (Lepidostomatidae) (Little Brown Sedge) Caddisfly Larva from Mongaup Creek in New York

Ruler view of a Lepidostoma (Lepidostomatidae) (Little Brown Sedge) Caddisfly Larva from Mongaup Creek in New York The smallest ruler marks are 1 mm.

Ventral view of a Lepidostoma (Lepidostomatidae) (Little Brown Sedge) Caddisfly Larva from Mongaup Creek in New York

Dorsal view of a Lepidostoma (Lepidostomatidae) (Little Brown Sedge) Caddisfly Larva from Mongaup Creek in New York

This caddisfly was collected from Mongaup Creek in New York on May 6th, 2007 and added to Troutnut.com by Troutnut on May 18th, 2007.

Discussions of this Larva

Caddis ID

1 replies

Posted by DMM on May 18, 2007

Last reply on Dec 22, 2007 by Creno

It may be Lepidostoma. It appears to be lacking a dorsal hump, and the genus is quite large. The cases can be highly variable and can be made of sand or organic materials.

Perhaps Platycentropus

1 replies

Posted by Taxon on May 18, 2007

Last reply on May 18, 2007 by Troutnut

Based on the case, I would think Platycentropus. Can you see if it has prosternal horns extending beyond the head capsule to mentum of labium? See Merrit p. 375 Figure 18.191.

Cased caddis needs an ID

Posted by Troutnut on May 18, 2007

Last reply on May 18, 2007 by Troutnut

My pictures of this one aren't great so I'd rather not try to actually follow a key through for it... any of you caddis guys just recognize it? It's a pretty distinctive case.

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