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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 Amiocentrus (Little Western Weedy Water Sedges)

See Amiocentrus aspilus, the only species in this genus, for details.

Where & when

In 23 records from GBIF, adults of this genus have mostly been collected during July (35%), August (30%), May (13%), June (9%), and March (9%).

In 4 records from GBIF, this genus has been collected at elevations of 6060, 6250, 6726, and 7005 ft.

Genus Range

Specimens of the Caddisfly Genus Amiocentrus

1 Adult

Start a Discussion of Amiocentrus

Caddisfly Genus Amiocentrus (Little Western Weedy Water Sedges)

Species in Amiocentrus
Amiocentrus aspilus
Species in Amiocentrus: Amiocentrus aspilus
Genus Range
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