Staliastes Kirkaldy, 1900c: 241. For Opinus sensu Stål, 1859. Type species by original designation: Tapeinus rufus Laporte, 1833.
Opinus (non Laporte, 1833): Stål, 1859b: 186. Misidentification based on acceptance of Tapeinus rufus Laporte, 1833 as type species.