Praonethomimus tuberosithorax is a species of beetle in the family Cerambycidae, and the only species in the genus Praonethomimus. It was described by Stephan von Breuning in 1939.
It is 6â ÂâÂÂ9 mm long and 2â ÂâÂÂ3 mm wide, and its type locality is "Pyonchaung Res., N. Toungoo", Myanmar.