Platambus semivittatus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America. "Platambus semivittatus Report"...

following species: Platambus americanus (Aubé, 1838) Platambus angulicollis (Régimbart, 1899) Platambus apache (Young, 1981) Platambus astrictovittatus...

was found paraphyletic with respect to several of the species groups of Platambus, a closely related genus in the tribe Agabini. Lately the taxonomy of...