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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 Glossosoma velona (Saddle-case Makers)

Where & when

Time of year : March to June and again from August to November

This species is widespread and abundant in the Northwest.

In 30 records from GBIF, adults of this species have mostly been collected during July (33%), June (20%), April (17%), August (10%), September (10%), and May (7%).

In 10 records from GBIF, this species has been collected at elevations ranging from 3 to 5449 ft, with an average (median) of 2238 ft.


Start a Discussion of Glossosoma velona

References

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