Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin

Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

View from atop the permafrost slump

From the Selawik River in Alaska

Stream photos

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Epeorus albertae (Pink Lady) Mayfly Nymph Epeorus albertae (Pink Lady) Mayfly Nymph

Dorsal view of a Epeorus albertae (Heptageniidae) (Pink Lady) Mayfly Nymph from the East Fork Issaquah Creek in Washington

This specimen keys to the Epeorus albertae group of species. Of the five species in that group, the two known in Washington state are Epeorus albertae and Epeorus dulciana. Of the two, albertae has been collected in vastly more locations in Washington than dulciana, suggesting it is far more common. On that basis alone I'm tentatively putting this nymph in albertae, with the large caveat that there's no real information to rule out dulciana.

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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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SWPA: What's hatching on the home-base?... week of 5/6/11

Jtberez
Indiana, PA

Posts: 13

Jtberez on May 6, 2011May 6th, 2011, 7:32 pm EDT

The larger stones are nearly done here in Indiana Co., and I was out for my first blizzard of small green caddis on tuesday evening. We finally nailed over 5 fish on top, all on caddis emergers and x-caddis (I never use a fully hackled caddis imitation) Not much mayfly activity yet, but with temps heating up and the water coming down, I'm feeling some sulphurs and light cahills on the way. Super stoked about throwing some of my new sulphur emergers. Will throw up some pics tomorrow.

Anyone else offer some hatch sights in the region?