Male genitalia: D. myersi, USNM #114622, Rincon National Park, Prov. Guanacaste, Costa Rica a lateral view uncus, gnathos, tegumen b lateral magnification of gnathos without teeth c ventral view vinculum, juxta, valvae d phallus; D. venosalis, USNM #114623, Bastrop State Park, Bastrop County, Texas, USA e lateral view uncus, gnathos, tegumen f lateral magnification of gnathos with teeth shown by bracket g ventral view vinculum, juxta, valvae h phallus.

 
 
  Part of: Solis MA, Metz MA (2016) An illustrated guide to the identification of the known species of Diatraea Guilding (Lepidoptera, Crambidae, Crambinae) based on genitalia. ZooKeys 565: 73-121. https://doi.org/10.3897/zookeys.565.6797