Isonychia-Slate Drake - Nymphs & Wet Flies - Flies

Mahogany (Isonychia) Spinner – Dette Flies

Isonychia bicolor mayfly hatch, Mahogany Dun, Slate Drake

Mayfly Genus Isonychia (Slate Drakes) hatch & pictures

Isonychia-Slate Drake - Nymphs & Wet Flies - Flies

Hook Size: 10/12, The Perfect Fly Slate Drake Nymph nymph is a trout fly that imitates the Slate Drake Nymph mayfly in the nymphal stage of life.

Slate Drake Nymph

Fly Tying: Purple Soft Hackle (Isonychia / Slate Drake Emerger)

Mayfly Imitations - Fly Fishing Smoky Mountains

Fly Fishing Isonychia Bicolor Mayfly Pattern - FrostyFly

Slate Drakes – aka “Isonychias”

Isonychia sadleri dun. Commonly referred to as a Slate Drake or a Mahogany Dun

Isonychia Nymph Patterns – 4 Proven Imitations - Fly Fishing, Gink and Gasoline, How to Fly Fish, Trout Fishing, Fly Tying