Wallacea inornata is a species of beetle in the family Chrysomelidae. It is found in Indonesia (Enggano, Java, Sumatra) and Malaysia.Sekerka, L. 2015. Wallacea, Pistosia and Neodownesia: three distinct genera and their tribal placement (Coleoptera: Chrysomelidae: Cassidinae). Acta Entomologica Musei Nationalis Pragae 55(2): 713–743.
Biology They have been recorded feeding on Calamus ornatus, Eugeissona tristis, Iguanura wallichiana, Oncosperma horridum and Salacca species.
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