DACTYLOSTERNUM PUI (COLEOPTERA: HYDROPHILIDAE: SPHAERIDIINAE), A NEW SPECIES IN CHINA

Dactylosternum pui sp. nov. is described from Guangxi, China. It closely related to D. dohrtyi Balfour-Browne but differs from the latter by prosternum very strongly tectiform in middle and sharp carinate medially and with a disti nct anteromedian tooth and different aedeagus. The new species can be separable from D. densepunctatum d'orchymont by tectiform and carinate prosternum and with tooth anteromedially, median femora with dense and short pubescence.