Peltoschema Reitter is redescribed as a genus of Chrysomelidae, not Trogossitidae, and is recognised as the valid and oldest available name for Acacicola Lea, Pyrgo Weise (nec Defrance) and Pyrgoides Kelly and Reid (all new synonyms). A lectotype is designated for the type species, Peltoschema filicornis Reitter, which is a senior synonym of Paropsis platynota Lea (new synonym). The monophyly of Peltoschema is discussed, the species-group to which both P. filicornis and the type species of Acacicola belong is defined, and P. filicornis is redescribed.
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Reid et al. (2001) studied this question.