Male genitalia: D. argentina, CMNH #002, Santa Cruz, Provincia del Sara, Bolivia a lateral view uncus, gnathos, tegumen b ventral view vinculum, juxta, valvae c phallus; D. brunnescens, USNM #114612, New Bremen, Brazil d lateral view uncus, gnathos, tegumen e ventral view vinculum, juxta, valvae f 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