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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

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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Prodiamesa Midge Larva Pictures

Another head capsule of a chironomid showing the detail of the mouthparts.

This midge was collected from Rock Creek in Montana on December 3rd, 2005 and added to Troutnut.com by Bnewell on June 26th, 2011.

Discussions of this Larva

fossil mandibulate capsule-like structures
1 replies
Posted by Sachaman on Aug 21, 2014
Last reply on Aug 22, 2014 by Crepuscular
Hi, I'm trying to id a fossil but since my area of expertise is not about insects I'd to know if somebody can orient in my search for the affinity of the following two mandibulate capsule-like structures. I looked at several images of similar structures and I decided that they could be chironomid head capsules, but... I don't know how to upload the images. can somebody let me know, please?

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Prodiamesa Midge Larva Pictures

Collection details
Location: Rock Creek, Montana
Date: December 3rd, 2005
Added to site: June 26th, 2011
Author: Bnewell
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