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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.

Dorsal view of a Amphizoa (Amphizoidae) Beetle Larva from Sears Creek in Washington
This is the first of it's family I've seen, collected from a tiny, fishless stream in the Cascades. The three species of this genus all live in the Northwest and are predators that primarily eat stonefly nymphs Merritt R.W., Cummins, K.W., and Berg, M.B. (2019).
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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Female Neoleptophlebia Mayfly Dun Pictures

I'm just guessing Neoleptophlebia on this one. It could easily be Paraleptophlebia.

Lateral view of a Female Neoleptophlebia (Leptophlebiidae) Mayfly Dun from the Neversink River in New York
Female Neoleptophlebia (Leptophlebiidae) Mayfly Dun from the Neversink River in New York
Female Neoleptophlebia (Leptophlebiidae) Mayfly Dun from the Neversink River in New York
Dorsal view of a Female Neoleptophlebia (Leptophlebiidae) Mayfly Dun from the Neversink River in New York
Ventral view of a Female Neoleptophlebia (Leptophlebiidae) Mayfly Dun from the Neversink River in New York
Ruler view of a Female Neoleptophlebia (Leptophlebiidae) Mayfly Dun from the Neversink River in New York The smallest ruler marks are 1 mm.

This mayfly was collected from the Neversink River in New York on September 5th, 2006 and added to Troutnut.com by Troutnut on October 3rd, 2006.


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Female Neoleptophlebia Mayfly Dun Pictures

Collection details
Location: Neversink River, New York
Date: September 5th, 2006
Added to site: October 3rd, 2006
Author: Troutnut
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