From May through early September, when you need a fly that will match a mayfly hatch, consider the Hackle Stacker. It’s a subtle pattern that has the profile to make it readily visible to the angler ...

The trout weren’t rising at 6:45 a.m. when I waded into the South Platte River in Eleven Mile Canyon. I was there to fish the hatch of small black-bodied, white-winged mayflies known to fly fishers as ...