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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

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 Genus Triaenodes

Where & when

In 162 records from GBIF, adults of this genus have mostly been collected during June (34%), July (34%), May (15%), and August (10%).

In 49 records from GBIF, this genus has been collected at elevations ranging from 20 to 2159 ft, with an average (median) of 755 ft.

Genus Range

Specimens of the Caddisfly Genus Triaenodes

1 Adult

Start a Discussion of Triaenodes

Caddisfly Genus Triaenodes

23 species (Triaenodes aba, Triaenodes baris, Triaenodes borealis, Triaenodes connatus, Triaenodes cumberlandensis, Triaenodes dipsia, Triaenodes flavascens, Triaenodes florida, Triaenodes furcellus, Triaenodes helo, Triaenodes ignitus, Triaenodes inflexa, Triaenodes injusta, Triaenodes marginata, Triaenodes melacus, Triaenodes nox, Triaenodes ochracea, Triaenodes perna, Triaenodes phalacris, Triaenodes smithi, Triaenodes taenia, Triaenodes tarda, and Triaenodes tridonta) aren't included.
Genus Range
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