Fern Fly (Moth)

Mary Orvis Marbury aka "Mom" and Ray Bergman versions.
The Fern Fly is an old British Pattern that was adapted in the US. As Mary Orvis Marbury reports it probably should have had a name change in the US to avoid confusion to the Fern Moth as in the US the pattern was made to replicate a moth like fly that clung to stream side ferns and other plants.
The Ray Bergman version is more in line with the insect the British pattern was designed to imitate.

Marbury Recipe:
Silver Tag
Silver Rib
White Body
Grey Hackle
Grey Wing Slips

Bergman Recipe:
Gold Tag
Light Pink Body
Tan/Brown Hackle
Light grey Wing Slips

Both of these are tied on Mustad 3906 Size 8s