Availability: 174 in stock Availability: 264 in stock Availability: 322 in stock Availability: 245 in stock Availability: 46 in stock Availability: Out of stock Availability: 183 in stock Availability: 207 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.