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.
|Arms of light-colored M-shaped line on head directed essentially laterally
|Arms of light-colored M-shaped line on head directed posterolaterally
|Dark pigment of tergum 10 continuous
|Dark pigment of tergum 10 interrupted mesally
2 Example Specimens
1 Example Specimen