Midge / EmergersBiot Midge

The Biot Midge is a simple but deadly pattern that imitates a midge pupa. The stripped peacock herl gives it a realistic segmented appearance and the CDC wing gives it a lifelike silhouette in the water.

Season
Spring, Summer, Fall
Difficulty
Beginner
Target Species
Trout
Biot Midge - Image source: Umpqua
Image source: Umpqua

Overview

The Biot Midge is a sleek, segmented midge pattern tied with a goose or turkey biot body for a realistic ribbed appearance. Finished with a sparse dubbed thorax and sometimes a bead or CDC puff, it excels in clear water where trout are feeding on small, emerging midges.

Pattern Characteristics

Beginner Difficulty
Trout
Stillwater
Moving Water
Spring
Summer
Fall
Imitates: Midges

Materials

Hook: #18-22 Tiemco 100
Thread: Black UTC 70
Body: Brown Goose Biot
Thorax: Black Superfine Dubbing
Collar: Black India Hen Back

Fishing Tips

Season

Spring, Summer, Fall

Presentation

Fish the Biot Midge in the surface film or just below the surface, either on a dead drift or with slight twitches to imitate an emerging midge.

When to Use

When trout are feeding on midges, particularly during a midge hatch.

Water Type

Both stillwater and moving water.

Rigging Suggestions

Use a light tippet and a long leader for a delicate presentation.

Visibility & Floatation

This fly is small and can be difficult to see, but the white CDC wing can help with visibility. It should be fished in or just below the surface film.