Pattern: Traditional, Fly: Harry Mason, Photograph: Hans Weilenmann
Hook:
Tiemco 101 #16-20
Thread:
Olive
Tail:
Medium dark dun hackle or micro fibetts
Body:
Olive goose biot
Wing:
Dark dun turkey flats
Hackle:
Dark dun
Thorax:
Olive dubbing
Comments and Tips:
Great BWO pattern for most semi- smooth waters. Tye the Biot in point
first. Experiment with the wrapping. With the concave face toward the tier
the biot will lay flat on the hook.
