Thermonotus is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species:Thermonotus apicalis Ritsema, 1881 Thermonotus cylindricus Aurivillius, 1911 Thermonotus nigripennis Ritsema, 1896 Thermonotus nigripes Gahan, 1888 Thermonotus nigriventris Breuning, 1959 Thermonotus pasteuri Ritsema, 1890 Thermonotus ruber (Pic, 1923) Thermonotus rufipes Breuning, 1958