From WikiTyer
Haystack Variation
Hook: Mustad 94840
Tail: Woodchuck
Wing: Woodchuck, tied slightly foward
Body: Austrailain possum dubbing.
Originally submitted by ??? (aka BRK TRT)
Notes:
I find this variation of Fran Betters pattern a very effective fly on the small streams I fish. -BRK TRT