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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.

Lateral view of a Onocosmoecus (Limnephilidae) (Great Late-Summer Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen keys pretty easily to Onocosmoecus, and it closely resembles a specimen from Alaska which caddis expert Dave Ruiter recognized as this genus. As with that specimen, the only species in the genus documented in this area is Onocosmoecus unicolor, but Dave suggested for that specimen that there might be multiple not-yet-distinguished species under the unicolor umbrella and it would be best to stick with the genus-level ID. I'm doing the same for this one.
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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Adirman has attached this picture to aid in identification. The message is below.
Adirman
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Monticello, NY

Posts: 479
Adirman on Apr 22, 2018April 22nd, 2018, 9:18 am EDT
Hey Guys;

Went to the Neversink today and saw a lot of caddis around , size 18-20. Is this Chimarra?

Thanks

David
Adirman
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Monticello, NY

Posts: 479
Adirman on Apr 22, 2018April 22nd, 2018, 9:21 am EDT
Sorry about pic quality , I know it sucks ☹️
Jmd123
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Oscoda, MI

Posts: 2474
Jmd123 on Apr 22, 2018April 22nd, 2018, 11:56 am EDT
Wow, that's tiny...anybody feeding on them?

Jonathon
No matter how big the one you just caught is, there's always a bigger one out there somewhere...
Adirman
Adirman's profile picture
Monticello, NY

Posts: 479
Adirman on Apr 23, 2018April 23rd, 2018, 10:23 am EDT
None that I could see, it’s around an 18-20 id day. Chimarra right?
Creno
Grants Pass, OR

Posts: 302
Creno on Apr 23, 2018April 23rd, 2018, 10:52 am EDT
there is no way from that pic to determine if that is Chimarra or not. There are lots of small dark caddis in various families - Rhyacophilidae, Glossosomatidae, Hydroptilidae, Philopotamidae, Helicopsychidae, Apananiidae, etc.
Adirman
Adirman's profile picture
Monticello, NY

Posts: 479
Adirman on Apr 24, 2018April 24th, 2018, 10:05 am EDT
Yeah the pic quality sucks you’re right; having said that, i still thinknits Chimarra though :)

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