Sulphur Dun

The Sulphur Dun dry fly pattern has wings that are not quite dry, imitating a mayfly not quite ready to fly.

The vagaries of the little sulphur mayfly hatch

Mayfly Species Ephemerella invaria (Sulphur Dun) hatch & pictures

Last (planned) dry tie fly for the year – Sulphur Dun

Sulphur Dun – Smitty's Fly Box

Call them Sulphurs, call them Light Hendricksons, call them Ephemeralla invaria. Call these mayflies what you want, but when they're hatching, the

Sulphur Dun

Parachute Sulphur Dun - Ascent Fly Fishing

A great imitation for a Sulphur dun. Good late season fly for those picky fishing during the summer month that are keying in on duns.

CDC Sulphur Comparadun

A Sniff of Sulphur – The Ozark Fly Fisher Journal

Fly Fishing the Sulphur mayfly hatch - The View From Harrys Window

Mayfly Ephemerella Invaria Sulphur Dun Stock Photo - Download

Sulphur Dun: Sulphurs are a very significant hatch on many waters throughout the country. This hatch can last quite awhile, and for many waters

Sulphur Dun

North Georgia and Southwestern North Carolina Hatch Chart

Sulphur Dun - Hawkins Outfitters - Northern Michigan Fly Fishing