Aellopus Wolff, 1811: 198. Type species by subsequent designation (Schumacher, 1922: 338): Lygaeus aterrimus Fabricius, 1798 (= Cimex atratus Goeze, 1778).
Microtoma Laporte, 1833: 33 (syn. McAtee & Malloch, 1923: 162). Type species by monotypy: Lygaeus echii Panzer, 1799 (= Cimex atratus Goeze, 1778).
Polyacanthus Laporte, 1833: 83. Unnecessary new name for Microtoma Laporte, 1833.