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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

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.
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Pilonm has attached these 3 pictures to aid in identification. The message is below.
Pilonm
Quebec

Posts: 19
Pilonm on Oct 17, 2007October 17th, 2007, 8:22 am EDT
Hello,

Here are 3 pictures of a stone fly I photographied on this screen at home (Sherbrooke, Quebec, near Vermont)...

This insect from the Plecoptera order is from the Perlidae family (pretty sure of that) but I have no idea about the species...

Can you help me to identify it???

Thank you again for your kind help!

Michel
Quebec, Canada
Konchu
Konchu's profile picture
Site Editor
Indiana

Posts: 498
Konchu on Oct 17, 2007October 17th, 2007, 11:13 am EDT
What is the size of the beast?
Pilonm
Quebec

Posts: 19
Pilonm on Oct 18, 2007October 18th, 2007, 12:53 am EDT
Hello Konchu,

Thank you for your quick reply! It is really appreciated!

The length of the plecopteran is 3.3 cm or around 1.5 inch long from the head (without the antennas) to the end of the wings.

Any idea???

Someone mentionned Pteronarcys dorsata...

I'll have to verify this...

Ciao and thank you!

Michel
Taxon
Taxon's profile picture
Site Editor
Plano, TX

Posts: 1311
Taxon on Oct 18, 2007October 18th, 2007, 12:46 pm EDT
Michel-

I believe it to be of family Perlidae (Golden Stones), specifically Paragnetina immarginata, which has the common name of Beautiful Stone.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com

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