Dave's Baetis Emerger - Dave Student Hook: TMC 200R Size: 16 ~22 Thread: Brown Danville #047 Tail: Hungarian Partridge barbules Abdomen: Callibaetis Superfine Dubbing Rib: Tying Thread Emergent Wing: Natural Color CDC Thorax: Callibaetis Superfine Dubbing Head: Tying Thread