Midge / EmergersBarr's Emerger

The Barrs Emerger is a versatile and effective pattern designed by John Barr. It is intended to imitate the emerging stage of mayflies, making it a deadly choice during a hatch.

Season
Spring, Summer, Fall
Difficulty
Intermediate
Target Species
Trout
Barr's Emerger - Image source: Orvis
Image source: Orvis

Overview

Barr's Emerger is a renowned mayfly emerger pattern developed by John Barr, designed to ride just below or in the surface film during a hatch. It comes in multiple color variations to match different mayfly species and is especially effective during the transitional stage when trout target vulnerable emerging insects.

Pattern Characteristics

Intermediate Difficulty
Trout
Moving Water
Spring
Summer
Fall
Imitates: Mayflies

Materials

Hook: Tiemco 2487, size #16–#20
Thread: Olive Dun 8/0
Tail: Brown Z-lon or similar synthetic material
Abdomen: Light olive dubbing
Wing case: Brown Swiss straw, cut to a point
Thorax: Olive dubbing
Legs: Brown Z-lon or similar synthetic material

Fishing Tips

Season

Spring, Summer, Fall

Presentation

Dead drift

When to Use

During mayfly hatches, especially in the early stages

Water Type

Suitable for rivers and streams

Rigging Suggestions

Use a 9-foot leader with a 5X or 6X tippet

Visibility & Floatation

This fly sits in the surface film and is highly visible to trout due to its silhouette against the surface. The synthetic materials used in the tail and legs add a lifelike movement.

Additional Videos