Holotrichius Burmeister, 1835: 222. Type species by subsequent designation (Brullé, 1836: 325): Holotrichius tenebrosus Burmeister, 1835.
Hotrichus A. Costa, 1842b: 281. Incorrect subsequent spelling.
Oreada Mulsant & Mayet, 1868: 292 (syn. Puton, 1874a: 232). Type species by monotypy: Oreada luctuosa Mulsant & Mayet, 1868.
Lochus Douglas & Scott, 1868b: 138 (syn. Puton, 1875a: 51). Type species by monotypy: Lochus squalidus Douglas & Scott, 1868.