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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.

Lateral view of a Clostoeca disjuncta (Limnephilidae) (Northern Caddisfly) Caddisfly Larva from the Yakima River in Washington
This one was surprisingly straightforward to identify. The lack of a sclerite at the base of the lateral hump narrows the field quite a bit, and the other options followed fairly obvious characteristics to Clostoeca, which only has one species, Clostoeca disjuncta.
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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Stonefly Species Zapada cinctipes (Tiny Winter Blacks)

Where & when

In 88 records from GBIF, adults of this species have mostly been collected during April (24%), March (22%), May (14%), February (11%), June (10%), July (7%), and January (6%).

In 75 records from GBIF, this species has been collected at elevations ranging from 34 to 11135 ft, with an average (median) of 6713 ft.

Species Range

Specimens of the Stonefly Species Zapada cinctipes

1 Female Adult
1 Adult
1 Nymph

Start a Discussion of Zapada cinctipes


Stonefly Species Zapada cinctipes (Tiny Winter Blacks)

Species Range
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