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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.

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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Male Drunella doddsii (Western Green Drake) Mayfly Dun Pictures

Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska
Lateral view of a Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska
Ventral view of a Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska
Ruler view of a Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska The smallest ruler marks are 1 mm.
Dorsal view of a Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska
Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska
Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska
Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska
Artistic view of a Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska
Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska
Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska
An on-stream picture.

Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska
I took this picture a few minutes after collecting this dun on the stream, to see if the color would be the same as when I photographed him hours later at home.

Male Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska

This mayfly was collected from the Gulkana River in Alaska on July 17th, 2011 and added to Troutnut.com by Troutnut on July 20th, 2011.


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Male Drunella doddsii (Western Green Drake) Mayfly Dun Pictures

Collection details
Location: Gulkana River, Alaska
Date: July 17th, 2011
Added to site: July 20th, 2011
Author: Troutnut
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