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.
This specimen resembled several others of around the same size and perhaps the same species, which were pretty common in my February sample from the upper Yakima. Unfortunately, I misplaced the specimen before I could get it under a microscope for a definitive ID.
Doctor of Optometry in a suburb of Syracuse and an avid Fly Fisherman for now 50 years. I am also a season pass holder on the DSR in Pulaski, NY and I spend a month in rural Alaska each July.
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Dr. Howard J. Kass
Have a wonderful day fishing! I always do!