Flavo-testaceus, nitidus, brevissima pubescens; fronte porrecta, concava; prothorace latitudine paulo longiore, sat crebre puuctato, basi apiceque coarctato, medio linea impresso, angulis posticis tenuibus, divaricatis, fortiter carinatis; elytris depressis, punctato-striatis, interstitiis convexis. — Long. 13 mm., lat. 3 mm. Resembling M. ligneus Cand. ¹) but smaller and distinctly differing from that species by its lustre.