Early Black Stonefly

Early Black Stonefly: This fly is meant to represent some of the first active Stoneflies of the year, but it is a great pattern to fish year

The Winter Stonefly: Our January Bug of the Month - Angler's Covey

Stoneflies, East & West - Fly Fisherman

Kaufmann Stonefly Rubber Legs-Premium Flies- — Big Y Fly Co

Delaware River Club Online Fly Shop — Tiny Black Stonefly

Tying the Life Cycle: Stonefly

Early Black Stonefly (capnia vernalis)

Kaufmann Stonefly, Black TheFlyStop

Stoneflies – Field Station

Winter Black StoneFly Nymphs.your inp

Dave Rothrock's The Ranting Angler

winter stonefly - Rocky River Trout Unlimited