Bug Hatches
Blue Winged Olive
Mid-March through early May during afternoon hours and in the mid-summer around dusk & September through October during afternoon hours
Golden Stonefly
Henry’s Fork – May 25 through June 30
Madison River – June 25 through July 20
South Fork – June 25 through July 20 & August 15 through September 15
Salmonfly
Henry’s Fork – May 20 through June 10
Madison River – June 20 through July 5
South Fork – June 20 through July 5
Small Stoneflies
Henry’s Fork – May 25 through June 30
Madison River – June 25 through July 20
South Fork – June 25 through July 20
