I am sure are taken as small baitfish and not aquatic insects.
Ha, thanks--it wouldn't be the first time I've tried to imitate some sort of Ephemera and ended up with a bloody crawfish...

That's actually what I'm kind of "tying toward," though--on my infertile freestoners here in Southern Appalachia there's seldom a consistent hatch to match even in Spring so our fish tend to be small (with only a few wiley old brown trout approaching an average fish there in Middle Earth

) and opportunistic. Specifically, I've been looking for fly designs like the Gartside Sparrow that I can dead-drift, swing, and actively "pulse" with my Tenkara rod--hence my interest in "composite hackle"--in the case of these flies, "burned" ruffed grouse tail feathers and Coq de Leon rooster taken off the rachis and put in a loop and wrapped "Intruder style."