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Abstract
The species of Dihammaphora with 11 antennal segments are revised. Seven are redescribed and four are described as new: Dihammaphora falsa sp. nov (Brazil: São Paulo, Paraná, Santa Catarina; Paraguay: Alto Parana) and Dihammaphora uncinata sp. nov. (Brazil: Minas Gerais, São Paulo), both are characterized by having a unciform projection on each procoxa and the anterior margin of prosternum projected at the middle; the former is differentiated by the all black integumental colour, while the latter has a reddish prothorax with a large black pronotal area. Dihammaphora brasileira sp. nov. (Brazil: Bahia, Minas Gerais, Espírito Santo) has an orange head and prothorax, and complete elytral dorsal costae; Dihammaphora mineira sp. nov. (Brazil: Minas Gerais) has a black integument with reddish prothorax, a densely clothed elytra with olivaceous pubescence and complete dorsal costae. All the species are illustrated and keyed. A redescription of the genus, based on the species with 11-segmented antennae, is provided.
Acknowledgements
Gérard Tavakilian provided wonderful support and assistance during a stay in the Muséum Naturelle d'Histoire Naturelle. We are grateful to S. L. Shute (BMNH) for sending the type of D. marginicollis and to Miguel A. Monné (MNRJ) and Ubirajara R. Martins, who provided most of the specimens studied. Dr Albino. M. Sakakibara (DZUP) revised the English version, and Olivia Evangelista (DZUP) took the photographs.