Oreina cacaliae

Oreina cacaliae is a species of broad-shouldered leaf beetles belonging to the family Chrysomelidae, subfamily Chrysomelinae. Oreina cacaliae can reach a length of 9–10 millimetres (0.35–0.39 in). Elytra are bright metallic bluish or greenish, with darker longitudinal stripes. The main host plants are Adenostyles alliariae and Petasites paradoxus.