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.

We were lucky to be able to fish through this storm as it skirted around us to the north, giving us just enough clouds to prompt a BWO hatch but keeping the lighting at a safe distance.

From Slough Creek in Wyoming

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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Spinner?

Male Neoleptophlebia heteronea (Blue Quill) Mayfly Spinner

1 Picture

Male Neoleptophlebia heteronea (Leptophlebiidae) (Blue Quill) Mayfly Spinner from the Touchet River in Washington

Collected May 15, 2012 from the Touchet River in Washington

Added by Bnewell on May 18, 2012

Collected May 15, 2012 from the Touchet River in Washington and added by Bnewell on May 18, 2012

Martinlf

Moderator
Palmyra PA

Posts: 3047

Martinlf on May 18, 2012May 18th, 2012, 6:39 pm EDT

The wings look clear enough, and the body dark enough this seems like a spinner to me. Great photo on this one and on the baetis posted the same time. Ah, yes, I see the other photos of thing bug labeled as spinners look the same.

"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell

Taxon

Site Editor
Plano, TX

Posts: 1311

Taxon on May 19, 2012May 19th, 2012, 1:08 am EDT

Yes Lewis, as you observed, it's a spinner. Apart from the wings, take notice of its extremely long forelegs, which are a characteristic of male spinners, but not of male duns.

Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com