Here is the fly pattern sheet for Polly Rosborough’s Fledermouse Nymph.
Materials
Hook:
Daiichi 1720 3X-long, 2X-heavy #8
Thread:
Danville 6/0 olive (original – Nymo, Turf Tan #1148)
Body:
Blend of muskrat or beaver belly with natural brown mink and ten percent jackrabbit
Collar:
Muskrat belly
Wing 1:
Barred teal
Wing 2:
Barred brown widgeon
Taken from Rosborough’s Tying and Fishing the Fuzzy Nymphs (1969)