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.
|Option 1||Option 2|
|Mesonotum with 3 sclerites (sf 19.157)||Mesonotum with 2 sclerites (sf 19.156)|
|Ventral apotome of head slender laterally, parallel-sided (sf 19.160)||Ventral apotome of head not as slender, broader laterally than mesally (sf 19.159)|
|Remaining genera: Culoptila, Padunia, and Protoptila|
|Go to Couplet 3||Agapetus|