This is the pattern that I used in the video Late Spring Fishing on the Usk: The Snowshoe Emerger
Hook: Varivas T-2000 Terrestrial size 16
Silk: Uni-Nylon 70 denier (white)
Post: Light Dun Snowshoe rabbit
Rib: Narrow Peacock and copper dual mylar
Thorax: Rabbit mask or hares ear
Hackle: Furnace or Red game (Good saddle if possible)
The silk is dyed with a dye pen coloured dark olive.