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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 Pycnopsyche guttifera (Limnephilidae) (Great Autumn Brown Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen appears to be of the same species as this one collected in the same spot two months earlier. The identification of both is tentative. This one suffered some physical damage before being photographed, too, so the colors aren't totally natural. I was mostly photographing it to test out some new camera setting idea, which worked really well for a couple of closeups.
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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Sekod has attached these 4 pictures to aid in identification. The message is below.
Sekod
Sekod's profile picture
New London, NC

Posts: 1
Sekod on Aug 26, 2019August 26th, 2019, 9:49 pm EDT
The larger fly had 2 long tails and one very short tail (almost a stub) in between the longer ones. The smaller one had 2 tails. Warmwater river (Little River) in the Piedmont of North Carolina. ID help? Thank you.
Taxon
Taxon's profile picture
Site Editor
Plano, TX

Posts: 1311
Taxon on Aug 27, 2019August 27th, 2019, 6:54 am EDT
Hi Jonathan-

I believe those mayfly subimagoes are both of genus Hexagenia. The larger one is a female, and the smaller one is a male.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com

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