This pattern is a parachute caddis he uses on the big MO.

RECIPE:
Hook: TMC #921 #12-#18
Thread: Tan
Body: Golden Pheasant Tail
Thorax: Hare's Ear
Wing: Light Elk Downwing with black, hot orange, or pink post
Cree or Dark Ginger variant wrappted as parachute hackle