Probaenia nigritarsisProbaenia nigritarsis is a species of beetle of the family Chrysomelidae. It is found in Brazil.DescriptionAdults reach a length of about 6.5-7 mm. The underside is yellowish-black, while the upperside is testaceous-yellow. The antennae are black. The elytra has a lateral band, an apical band and three bands with some small spots composed of blue-, or green-bronze-black.BiologyThe food plant is unknown.