Reappraisal of the genus Taumacera Thunberg with descriptions of two new species from South-East Asia (Coleoptera: Chrysomelidae: Galerucinae)

The galerucine genus Taumacera Thunberg is reviewed. Platyxantha Baly is placed in synonymy with Taumacera . The Taumacera deusta species-group is defined and two new species are described in this group: Taumacera mohamedsaidi from Borneo and Taumacera evi from Peninsular Malaysia and Sumatra. A new name, Taumacera seminigra , is provided for Taumacera nigripennis (Jacoby 1900a), nec Jacoby 1884, and Taumacera martapurensis Mohamedsaid is synonymised with Taumacera sucki Weise. A key is given for the deusta species-group and a revised checklist presented for all Taumacera species.