Mesosa curculionoides is a species of beetle in the family Cerambycidae, and the type species of its genus. It was described by Carl Linnaeus in 1761, originally under the genus Cerambyx. It has a wide distribution throughout Europe and in the Caucasus, and is also known from South Korea. It was formerly found in Belgium, where it is now extinct. It measures between .
M. curculionoides feeds on Larix decidua, Abies alba, Corylus avellana, Fagus sylvatica, and Castanea sativa.