A new apterous genus and species of flat bugs, Neolibiocoris obtusus gen. nov. and sp. nov., and an additional new species, Rotundocoris pyramidalis sp. nov. (Hemiptera: Heteroptera: Aradidae: Carventinae), are described from Hainan Island, China. The diagnostic morphological features of the new genus and species are discussed and illustrated. A revised key to apterous genera of Carventinae from Hainan Island is presented.
Keywords: Hemiptera, Aradidae, Carventinae, China, new genus, new species.