Biot Mayfly

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Biot Mayfly fly pattern - Baetis dry image

Description

The Biot Mayfly, designed by Roy Palm, is a classic dry fly pattern crafted to imitate a variety of mayfly species in their adult stage. Known for its lightweight construction and realistic profile, the Biot Mayfly utilizes biot feathers for the body, which adds a natural segmentation and a delicate, realistic appearance. Palm’s design is particularly effective during hatches of smaller mayflies, including species like the Blue Wing Olive (BWO) and Pale Morning Dun (PMD).

Curated by the IdentaFly fly fishing team.

Pro Tip

Double-Presentation for Emergers: During active hatches, fish the Biot Mayfly as a dry fly in the upper column, while subtly twitching it near rising fish to imitate an emerging adult. Combine this with an emerger pattern dropped below the surface for a double fly setup, allowing you to target fish feeding on both emergers and adults at the same time.

Related Patterns

Adams Dun

Adams Dun

Mayfly
dry

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Fly Tying Recipe

Hook: Tiemco TMC 100 or equivalent, size 14-18 Thread: Olive or cream 8/0 or 70 Denier Body: Brown or olive biot feathers, wrapped tightly to form a segmented body Tail: Thin, natural fibers (hackle fibers or light pheasant tail fibers) Wing: Parachute hackle, tied sparsely for visibility Hackle: Grizzly or brown dry fly hackle, wrapped around the hook to form the parachute-style wing Thorax: Natural dubbing