Aslamidium impurum is a species of beetle of the family Chrysomelidae. It is found in Brazil, Colombia, Costa Rica, Ecuador, Guatemala, Honduras, Mexico, Nicaragua and Panama.
The elytron is either uniformly yellow or has some vague brown to black spots on the anterior.
The recorded host plants are Calathea ovata, Calathea virginalis, Calathea insignis, Calathea micans and Heliconia species.