Biot and Cdc Flymph

A simple and common pattern that has been around for a long time. It is a great fly for imitating emerging mayflies with a realistic body made from turkey biot; in this case dyed olive. I often use it when Ephemerellidaes and/or Baetidaes are hatching, and often with great result. A killer for both grayling, arctic char and trout, and can produce well on still water also. A darker version can be tied to match up with Leptophlebias, I've put a pattern below for that.

Olive Flymph:

Hook: Any standard dry fly hook will do, even a slightly curved one. Size 10 and smaller

Tail: Partridge fiber Abdomen: Turkey biot dyed olive Wing and wingcase: Light grey or tan Cdc Hackle: Blue dun or dark grey

Head: Black or Fiery Brown

Mahogany Flymph:

Hook: Any standard dry fly hook will do, even a slightly curved one. Size 14-16

Tail: Dark Coq de Leon or very dark grizzly Abdomen: Turkey biot dyed mahogany or dark brown Wing and wingcase: Natural grey Cdc - or white to make it easy to see Hackle: Dark brown, almost black

Head: Black

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