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 |
---|---|
Segment 3 of male forceps more than twice as long as wide | Segment 3 of male forceps usually less than twice as long as wide |
Spine-like process (sf 13.254) usually present between forceps bases | Spine-like process never present between forceps bases, but variably shaped penes covers may be present |
Hind wings present (except for Anafroptilum minor, which lacks hind wings, but has small forewings about 3.0 mm long and black dashes on abdominal sterna) | Hind wings present or absent |
Remaining genera: Cloeon, Neocloeon, Procloeon, and Pseudocentroptiloides | |
Anafroptilum | Go to Couplet 4 |