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Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin
Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

Dorsal view of a Pycnopsyche guttifera (Limnephilidae) (Great Autumn Brown Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen appears to be of the same species as this one collected in the same spot two months earlier. The identification of both is tentative. This one suffered some physical damage before being photographed, too, so the colors aren't totally natural. I was mostly photographing it to test out some new camera setting idea, which worked really well for a couple of closeups.
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.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

This topic is about the Insect Order Diptera

This incredibly diverse order holds tens of thousands of species. They are the "true flies" with two wings, and they have complete life cycles (larva to pupa to adult). Beyond that they have little in common.

The most important family is Chironomidae, the midges. The craneflies of Tipulidae and the related families may also be important, as may be several of the others in the right place and time.

Example specimens

Posts: 1
SOHAIL on Jun 18, 2008June 18th, 2008, 6:10 pm EDT
plz help me i intrested in my subject so i request u all the order of physiology charector so plz guide line and i resarch in my entomological subject so i requested sir plz help me.
Taxon's profile picture
Site Editor
Plano, TX

Posts: 1311
Taxon on Jun 18, 2008June 18th, 2008, 6:29 pm EDT

You ask for help, and say you are a student of entomology. However, the rest of your post doesn't make much sense to me. It is not at all clear what help you seek. If yours is a serious post, which I am somehow inclined to doubt, then you need to state your needs more clearly, and you will likely receive a useful answer.
Best regards,
Roger Rohrbeck

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