Availability: 509 in stock Availability: 569 in stock Availability: 616 in stock Availability: 209 in stock Availability: 156 in stock Availability: 206 in stock Availability: 166 in stock Availability: 206 in stock Sulphur Dun $0.89 Original price Original price $0.89 - Original price $0.89 Original price $0.89 - $0.89 Current price $0.89 | / Choose a variant Pale Yellow / 12 - $0.89 Pale Yellow / 14 - $0.89 Pale Yellow / 16 - $0.89 Pale Yellow / 18 - $0.89 Sulphur Orange / 12 - $0.89 Sulphur Orange / 14 - $0.89 Sulphur Orange / 16 - $0.89 Sulphur Orange / 18 - $0.89 Color: Pale Yellow Pale Yellow Sulphur Orange Size: 12 12 14 16 18 Quantity Add to cart Ephemerella invaria, throughout the Midwest and many other regions as well, this is THE hatch to fish. The duns take flight fairly quickly, but be prepared with these. Sulphur hatches usually last two-three weeks in beginning in May.