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.

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From the Selawik River in Alaska

Stream photos

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Skwala (Large Springfly) Stonefly Nymph Skwala (Large Springfly) Stonefly Nymph

Dorsal view of a Skwala (Perlodidae) (Large Springfly) Stonefly Nymph from the Yakima River in Washington

This Skwala nymph still has a couple months left to go before hatching, but it's still a good representative of its species, which was extremely abundant in my sample for a stonefly of this size. It's obvious why the Yakima is known for its Skwala hatch.

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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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Looks like neophylax

Neophylax (Autumn Mottled Sedge) Caddisfly Larva

8 Pictures

Lateral view of a Neophylax (Thremmatidae) (Autumn Mottled Sedge) Caddisfly Larva from the Neversink River (above reservoir) in New York

The size of the head compared to the body in this larva is surprising, and I think this means it's a fairly early instar of something which is going to get a lot bigger, but I'm not sure.

Collected May 5, 2007 from the Neversink River (above reservoir) in New York

Added by Troutnut on May 10, 2007

Collected May 5, 2007 from the Neversink River (above reservoir) in New York and added by Troutnut on May 10, 2007

Litobrancha
Knoxville TN

Posts: 51

Litobrancha on May 13, 2007May 13th, 2007, 7:19 am EDT

can't tell how much mesonotum sclerites are emarginated but has the horsehead look of Neophylax. case too. legs are long too. don't know any of the other uenoids.

Creno
Grants Pass, OR

Posts: 302

Creno on Dec 21, 2007December 21st, 2007, 3:51 pm EST

Jason - do you have N.ornatus larvae? The leg coloration on these photos is fascinating. The sa1 setae appear to have a basal sclerite like N.ornatus.

Dave

Blue-winged OlivesBaetis

Troutnut Forum › Specimen Discussion › Looks like neophylax