Biot Epoxy Stone Nymph - Dark - Trout Flies – BigTimeFlies

Fly Tying: Biot Stonefly Nymph

Biot Stonefly - Semi realistic pattern that just works - McFly

Egan's Tungsten Surveyor – BigTimeFlies

BIOT EPOXY STONE JIGGED TUNG - Umpqua Feather Merchants

Biot Backed Stonefly - RiverKeeper Flies

Biot Epoxy Stone Nymph - Dark

Fly Fishing Flies at The Fly Shop - Page 29

Like its brother, the Dark Stone Micro-Stone, this Golden version has also been a hot seller for us. The Golden Stone Micro-Stone is a good year-round

Micro-Stone - Golden Stone

Fly Fishing the Sierra

4 Black Stonefly Jig Euro Nymphs. Trout Flies. Tungsten. Colorado

Biot Stonefly - Semi realistic pattern that just works - McFly

Biot Epoxy Stone Jug - Stonefly Pattern - Umpqua Feather Merchants