Monoxenus is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species: subgenus Bothynoscelis \n* Monoxenus bicristatus Breuning, 1939 \n* Monoxenus bispinosus (Jordan, 1894) \n* Monoxenus horridus (Hintz, 1911) \n* Monoxenus lujae (Hintz, 1911) \n* Monoxenus tridentatus (Aurivillius, 1903) subgenus Dityloderus subgenus Monoxenus \n* Monoxenus spinator Kolbe, 1893