Peltoschema is a genus of leaf beetles in the family Chrysomelidae. This genus contains about 94 species. Some mimic ladybird beetles and others are pests and can cause serious defoliation of their host plants. Peltoschema orphana can defoliate and kill populations of silver wattle. and badly damage Acacia mearnsii. Peltoschema suturalis is native to Australia and another pest of Acacias.