Woven Stonefly Nymph. My own design.
Recipe
Hook - #10 Nymph
Tail - Goose Biots (Black)
Body - Cross-stitch Thread (Black and Yellow woven together)
Underbody - Sparkle Dubbing (Peacock)
Shellback - Wapsi Thin Skin
Legs - Goose Biots - hand knotted (Black)
Antenna - Goose Biots (Black)