**Female Cinygmula ramaleyi (Small Western Gordon Quill) Mayfly Dun Pictures**

Mayflies

Caddisflies

Stoneflies

Classification

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Heptageniidae (March Browns, Cahills, Quill Gordons)

» Genus Cinygmula (Dark Red Quills)

» Species ramaleyi (Small Western Gordon Quill)

This dun is almost certainly of the same species as this nymph, as it hatched in my cooler from a nearly identical nymph.

This mayfly was collected from Nome Creek on July 10th, 2011 and added to Troutnut.com on July 13th, 2011.

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Female Cinygmula ramaleyi (Small Western Gordon Quill) Mayfly Dun from Nome Creek in Alaska

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Recent Discussions of this Dun

Cinygmula Dun 5 Replies »

Posted by Entoman on Jul 15, 2011

Last reply on Jul 17, 2011 by Entoman

Jason -

Looks like a female Cinygmula ramaleyi sub to me (one of many Little Western Red Quills). The other common Western species are larger and/or have different colored/patterned wings. While only three are common (if that word can be used), there are nine species currently listed with a NW distribution, but I don't know about AK. I guess it remains possible to be one of the less common species that may have virtually identical morphology and color.

Kurt

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Jargon Defined:

Dun: Mayflies have two adult stages. They first emerge from the water as duns (scientifically known as the subimago stage). They then molt into the spinner (imago) stage, in which they mate and die. Sometimes the word "dun" is confusingly used to refer to a brownish gray color in fly tying materials.

Nymph: The juvenile, underwater stages of mayflies, stoneflies, dragonflies, and damselflies and other aquatic insects whose juvenile stages are covered by hard exoskeletons. The word can also refer to the fishing flies which imitate these creatures, in which case it is used as a blanket term for flies imitating any underwater stage of an invertebrate (except for crayfish and leeches).