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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.

Sixmile Creek in New York

Stream photos

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Hydropsyche (Spotted Sedge) Caddisfly LarvaHydropsyche (Spotted Sedge) Caddisfly Larva
Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington
With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.
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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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Anafroptilum conturbatum (Tiny Sulphur Dun) Mayfly Nymph Pictures

A moderately rare mayfly perhaps because the nymphs are fragile that nymphs are usually damaged in collection making identification more difficult.

This mayfly was collected from Bowman Lake in Montana on July 12th, 2007 and added to Troutnut.com by Bnewell on June 26th, 2011.

Discussions of this Nymph

Brachycentrus?
14 replies
Posted by Creno on Jan 29, 2011
Last reply on Jul 12, 2011 by Creno
Perhaps you meant Brachycercus - or whatever it is today?
Reply

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Anafroptilum conturbatum (Tiny Sulphur Dun) Mayfly Nymph Pictures

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Ephemeroptera (Mayflies)
  5. » Family Baetidae (Blue-Winged Olives)
  6. » Genus Anafroptilum (Tiny Sulphur Duns)
  7. » Species conturbatum (Tiny Sulphur Duns)
Collection details
Location: Bowman Lake, Montana
Date: July 12th, 2007
Added to site: June 26th, 2011
Author: Bnewell
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