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.
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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.
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Blackghost
Posts: 3
Posts: 3
Blackghost on May 1, 2009May 1st, 2009, 10:41 am EDT
I haven't tied a lot of stonefly nymphs. In most cases the river I fish don't really have a lot of stoneflies. Where would be the best place to look for stonflies. In fast running water.
Martinlf on May 4, 2009May 4th, 2009, 12:06 pm EDT
That's correct. They prefer that habitat.
"He spread them a yard and a half. 'And every one that got away is this big.'"
--Fred Chappell
--Fred Chappell