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|
|Teeth on anal claw much shorter than apical hook, dorsal accessory spine present (sf 19.65, 19.388)||Teeth on each anal claw almost as long as apical hook, dorsal accessory spine absent (sf 19.387)|
|Pronotum with short, stout bristle near each lateral margin (sf 19.394)||Pronotum without short, lateral bristles|
|Widespread except not Southwest||Southwest|
No further information about this genus is available on Troutnut.com at this time.