Opistholeptus Bergroth, 1894b: 547. New name for Opisthostenus Reuter, 1882.
Opisthostenus Reuter, 1882a: 16 (junior primary homonym of Opisthostenus Förster, 1868, Hymenoptera). Type species by monotypy: Opisthostenus ochreipennis Reuter, 1882, tropical Africa.
Phlegyas (non Stål, 1865): Distant, 1903b: 39 (partly). Misidentification (see J.A. Slater, 1964a: 730).
Paraphlegyas Hesse, 1925: 72 (syn. J.A. Slater, 1955: 112). Type species by original designation: Paraphlegyas elegans Hesse, 1925, tropical Africa.