Hatch Imitations

Flies That Imitate Rhithrogena Morrisoni

1 proven pattern designed to match rhithrogena morrisoni across multiple life stages. From subsurface nymphs to surface duns, these are the flies that consistently fool selective trout.

March Brown fly pattern
Dry Fly

March Brown

The March Brown imitates Rhithrogena morrisoni, one of the first significant mayfly hatches of the s

Sizes 12–14