Dry FliesEgg Laying Grannom Caddis

The Egg Laying Grannom Caddis is a highly effective pattern that imitates the adult female caddis returning to the water to lay her eggs. It's a great choice during a caddis hatch when trout are selectively feeding on adult caddis.

Season
Spring
Difficulty
Advanced
Target Species
Trout
Egg Laying Grannom Caddis - Image source: Tightline Productions
Image source: Tightline Productions

Overview

This pattern imitates the female Grannom caddis during its egg-laying phase. It uses a dubbed black or peacock body, green Antron egg sac, and a down-wing of deer or elk hair. Often tied with sparse hackle to help it sit flush on the surface during slow drifts.

Pattern Characteristics

Advanced Difficulty
Trout
Moving Water
Spring
Imitates: Caddis

Materials

Hook: Tiemco 101, size #14-#18
Thread: Olive Dun 8/0
Body: Olive Superfine dubbing
Wing: Deer hair
Hackle: Grizzly and brown mixed
Head: Olive Superfine dubbing

Fishing Tips

Season

Spring

Presentation

The Egg Laying Grannom Caddis is best fished on the surface during a caddis hatch. Cast it upstream and let it drift down with the current.

When to Use

Use this pattern during a caddis hatch, especially in the evening when caddis are most active.

Water Type

This fly is most effective in moving water.

Rigging Suggestions

The Egg Laying Grannom Caddis can be fished alone or as part of a dry-dropper rig.

Visibility & Floatation

The deer hair wing and hackle make this fly highly visible and buoyant. It will float high on the water, making it easy to see.