
Description
The Flav Cripple, designed by Ken Burkholder, is a dry fly pattern crafted to imitate the Drunella flavilinea mayfly, commonly known as the "Flav." This mayfly is a significant late-summer hatch in Western states, closely resembling the larger Green Drake. The Flavilinea Cripple's "buggy" appearance effectively represents the vulnerable, emerging stage of the Flav, making it indispensable during these hatches
Curated by the IdentaFly fly fishing team.
Pro Tip
Match the Hatch: During late June through July, when Flavs are prevalent, use the Flavilinea Cripple in sizes 12–14 to closely match the natural insects.
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Fly Tying Recipe
- Hook: Tiemco 100 or Daiichi 1180, sizes 12–14
- Thread: Olive or brown, 8/0 or 70 denier
- Tail: Light dun hackle fibers
- Body: Olive or brown closed-cell foam, cut into a thin strip and wrapped along the shank
- Ribbing: Fine gold wire or omitted due to the foam's segmentation effect
- Wing: Light dun CDC or deer hair, styled to mimic a crippled wing
- Hackle: Light dun, palmered through the thorax
- Thorax: Olive or brown dubbing to maintain the natural buggy look near the front


