Fly Tying The Zlon Dry Fly 95 likes February 19, 2018 Hook: To suit the hatch. On this tutorial I have used an SLD barbless dry fly hook size 14: Silk: White uni thread or 14/0 white sheer Tail: Coq de Leon under some of the winging material Body: Dubbing to suit the hatch (i have used Flyrite Adams Grey) Wing: Zlon in suitable colour or siliconised poly yarn or Tiemco aero wing Hackle: Dark Cree or to suit the hatch (Undersized).