Five genera of Eunotinae are included in this paper. Ophelosia, Moranila, C
ephaleta, Eunotus are reviewed and a new genus Cavitas is described. Four n
ew species, Cavitas concava sp. nov., Eunotus applanatus sp. nov., E. stren
us sp. nov. and E, aequalivenus sp. nov. are described. The type specimens
are deposited in the Zoological Museum, Institute of Zoology, the Chinese A
cademy of Sciences.