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.

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.

6 Recently Added Photos

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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Polymitarcyidae Question

Steamntrout
Posts: 3

Steamntrout on Jun 22, 2017June 22nd, 2017, 8:32 am EDT

What size are these nymphs & Sub Imago's?

Crepuscular

Boiling Springs, PA

Posts: 920

Crepuscular on Jun 22, 2017June 22nd, 2017, 11:20 pm EDT

What size are these nymphs & Sub Imago's?

"Standard" hook sizes 14 for the subs. Nymphs the same 1xl. Around here on the larger waters major rivers, they are 14-12. I'll see if I can dig up a photo.

I found a couple from the yellow breeches. size in mm