The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.
I talked my wife into a quick trip to one of our home rivers on August 4th. It was the lowest I've ever fished it (around 235 CFS downstream at the gage, far less up by us), and that made for some easy wading. Some of the pools were practically still-water fishing. However, we hit a particularly good one at dusk where we caught dozens of fish without even having to move our feet. The big ones of the night were 7-8", but it's still fun.
For a species not yet reported in my state, I've been surprised to find these in two different locations lately. I was tempted to think they're the more common Paraleptophlebia debilis, but the characteristic big dorsal bump on the claspers just isn't present.