Cinygmula (Dark Red Quills) Mayfly Nymph 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)

This very strange nymph appears to be undoubtedly Cinygmula, yet it lacks the telltale protruding mouthparts that usually make that genus so easy to identify.

This mayfly was collected from the Gulkana River on July 17th, 2011 and added to Troutnut.com on July 20th, 2011.

View Full Size and Comment (4X larger)

Cinygmula (Dark Red Quills) Mayfly Nymph from the Gulkana River in Alaska

View Full Size and Comment (2.9X larger)

View Full Size and Comment (1.5X larger)

View Full Size and Comment (2.9X larger)

View Full Size and Comment (2.7X larger)

Recent Discussions of this Nymph

A Cinygmula nymph without protruding mouthparts? 12 Replies »

Posted by Troutnut on Jul 20, 2011

Last reply on Mar 28, 2013 by Brookyman

I've never heard of such a thing, yet here it is, unless I'm badly mistaken. The gills and all the other features scream Cinygmula, as does the fact that it was collected with hundreds of other Cinygmula nymphs representing (I think) at least two species.

Anyone know what's going on with the mouth?

Start a Discussion of this Nymph:

You must log in at the top of the page to post. If you haven't registered yet, it's this easy:

Cinygmula (Dark Red Quills) Mayfly Nymph Pictures

Recent Discussions of this Nymph

Start a Discussion of this Nymph:

Jargon Defined: