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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.

Lateral view of a Onocosmoecus (Limnephilidae) (Great Late-Summer Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen keys pretty easily to Onocosmoecus, and it closely resembles a specimen from Alaska which caddis expert Dave Ruiter recognized as this genus. As with that specimen, the only species in the genus documented in this area is Onocosmoecus unicolor, but Dave suggested for that specimen that there might be multiple not-yet-distinguished species under the unicolor umbrella and it would be best to stick with the genus-level ID. I'm doing the same for this one.
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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Mayfly Genus Caudatella

This Western genus is unimportant, but Caudatella heterocaudata and Caudatella hystrix are said to sometimes produce fishable hatches.

Where & when

In 2 records from GBIF, adults of this genus have been collected during June (50%) and December (50%).

In 1 record from GBIF, this genus has been collected at elevation of 1699 ft.

Genus Range

Identification

To further identify a specimen of Caudatella to the species level, use the Key to Species of Caudatella Nymphs.

Specimens of the Mayfly Genus Caudatella

1 Male Dun
2 Female Duns
1 Male Spinner
2 Nymphs

Discussions of Caudatella

species taxonomy
3 replies
Posted by Konchu on Oct 29, 2010
Last reply on Oct 30, 2010 by Taxon
The paper is in press now, so I can share an updated taxonomic synopsis of the "unimportant" genus Caudatella. Have fun.


Caudatella edmundsi (Allen, 1959)

Caudatella columbiella (McDunnough, 1935), comb. n.
= Ephemerella californica Allen and Edmunds, 1961, stat. n., syn. n.

Caudatella heterocaudata (McDunnough, 1929)
= Ephemerella circia Allen and Edmunds, 1961, stat. n., syn. n.

Caudatella hystrix (Traver, 1934)
= Ephemerella spinosa Mayo, 1952
= Ephemerella cascadia Allen and Edmunds, 1961

Caudatella jacobi (McDunnough, 1939)
= Ephemerella orestes Allen and Edmunds, 1961

Start a Discussion of Caudatella

References

Mayfly Genus Caudatella

Genus Range
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