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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
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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This topic is about the Insect Order Odonata-Anisoptera

Dragonflies and damselflies are in the same order, Odonata, but they are taxonomically separated on an obscure level not built into this site, the suborder. Dragonflies are in the rarely mentioned suborder Epiprocta, and within that suborder is the infraorder Anisoptera, the scientific name by which they're best known. None of that will help you catch trout, but it explains what the hyphen in this page's name is all about.

Example specimens

Posts: 34
DMM on Nov 26, 2006November 26th, 2006, 4:39 pm EST
This goes for all Gomphidae. If the prementum is flat, and the animal has 4 segments in each antenna, and two-segmented fore and middle tarsi, and a ligula with no median cleft--Gomphid. The Corduligastridae have a spoon-shaped prementum and a cleft in the middle of toothlike processes on ligula. Now you'll know whenever you catch more Odonata.
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Bellevue, WA

Posts: 2758
Troutnut on Nov 29, 2006November 29th, 2006, 5:50 am EST
Thanks, I'll keep that in mind when I'm collecting new specimens. One of my goals for next spring is to take a lot more photos of dragonflies and other invertebrates outside the "big three" orders of mayflies, stoneflies, and caddisflies.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist

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