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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

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 Rhyacophila torva (Green Sedges)

Where & when

Time of year : Early June

This species is most important in the Northeast.

In 42 records from GBIF, adults of this species have mostly been collected during June (26%), May (24%), July (21%), April (10%), September (7%), and August (7%).

In 24 records from GBIF, this species has been collected at elevations ranging from 561 to 5764 ft, with an average (median) of 2625 ft.

Species Range

Start a Discussion of Rhyacophila torva

References

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

Caddisfly Species Rhyacophila torva (Green Sedges)

Taxonomy
Species Range
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