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.

Stream photos

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Male Baetidae (Blue-Winged Olive) Mayfly Dun Male Baetidae (Blue-Winged Olive) Mayfly Dun

Lateral view of a Male Baetidae (Blue-Winged Olive) Mayfly Dun from Mystery Creek #308 in Washington

This dun emerged from a mature nymph on my desk. Unfortunately its wings didn't perfectly dry out.

7 Recently Added Photos

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.

Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Hellgrammite Species Chauliodes rastricornis (Fishflies)

Where & when

In 277 records from GBIF, adults of this species have mostly been collected during April (11%), June (11%), May (11%), July (11%), August (10%), March (10%), September (10%), February (8%), October (5%), and December (5%).

In 41 records from GBIF, this species has been collected at elevations ranging from 3 to 5203 ft, with an average (median) of 778 ft.

Specimens of the Hellgrammite Species Chauliodes rastricornis

1 Female Adult

Female Chauliodes rastricornis (Fishfly) Hellgrammite Adult

10 Pictures

Lateral view of a Female Chauliodes rastricornis (Corydalidae) (Fishfly) Hellgrammite Adult from Devil's Creek in Wisconsin

Collected June 13, 2021 from Devil's Creek in Wisconsin

Added by Troutnut on June 21, 2021

Collected June 13, 2021 from Devil's Creek in Wisconsin and added by Troutnut on June 21, 2021

Start a Discussion of Chauliodes rastricornis

References

Brigham, W.U., A.K. Brigham, and A. Gnilke. 1982. Aquatic Insects and Oligochaetes of North and South Carolina. Midwest Aquatic Entomologist.
Stehr, Frederick W. 1998. Immature Insects. Kendall/Hunt Publishing Company.