A Comparadun-style Blue Winged Olive dun. With no wound hackle, the body sits low in the surface film for a realistic profile that fools wary trout during heavy BWO emergences.
At #20 it matches small fall and tailwater BWOs. Fish it on a dead drift with a drag-free presentation.
Fish the hatch, not the clock: watch the water for noses before casting, and place the fly a few feet above each rise for the most natural drift.
