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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.

Artistic view of a Perlodidae (Springflies and Yellow Stones) Stonefly Nymph from the Yakima River in Washington
This one seems to lead to Couplet 35 of the Key to Genera of Perlodidae Nymphs and the genus Isoperla, but I'm skeptical that's correct based on the general look. I need to get it under the microscope to review several choices in the key, and it'll probably end up a different Perlodidae.
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 Nectopsyche albida (White Millers)

This is the most prominent species of Nectopsyche in most northern states nationwide, and it earned the common name "White Miller" for the genus.

Because Nectopsyche albida is nocturnal, is a favorite of late-season night fishermen.

Where & when

Time of year : Late July to mid-August in the Upper Midwest

In 64 records from GBIF, adults of this species have mostly been collected during June (41%), July (17%), August (17%), May (11%), and September (6%).

In 15 records from GBIF, this species has been collected at elevations ranging from 466 to 4606 ft, with an average (median) of 1112 ft.

Species Range

Hatching behavior

Time of day : Dusk or night

Egg-Laying behavior

Time of day: Dusk or night

Discussions of Nectopsyche albida

Moved from genus level to N. albida
Posted by Entoman on Jun 15, 2014
Last reply on Jun 15, 2014 by Entoman
It is my understanding that wing maculation is quite distinctive and consistent in this genus thus allowing species identification using this character. This specimen has been at the genus level for many years and somehow slipped through the cracks.;)
White Miller Bug
3 replies
Posted by MIKE54 on May 3, 2013
Last reply on May 4, 2013 by Adirman
Where did the name "White Miller" come from, for the caddis bug in the warm Yellowstone waters? I am not interested in the east coast mayfly with the same name. Thanks, Mike Miller.

Start a Discussion of Nectopsyche albida

References

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

Caddisfly Species Nectopsyche albida (White Millers)

Taxonomy
Species Range
Common Name
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