Anisostena promptaAnisostena prompta is a species of beetle of the family Chrysomelidae. It is found in Argentina, Brazil, Colombia and Paraguay.DescriptionAdults reach a length of about 4.1-4.7 mm. Subspecies prompta has a black head and an orange-red pronotum with black markings. The elytron is also orange-red with black vittae. Subspecies fasciata also has a black head, but the pronotum is yellow with black markings and the elytron is black with yellow vittae.BiologyThis species has been found feeding on Panicum leucophaeum.SubspeciesAnisostena prompta prompta Anisostena prompta fasciata Maulik, 1929