| abstract | Reductholaspis Emberson is rediagnosed with the description of a new species, Reductholaspis longicorniculus sp. nov. Shen & Yi from southwestern China. This is the first report of the genus Reductholaspis from the Oriental Region and the first described male for the genus. Reductholaspis longicorniculus sp. nov. is distinguished from R. analis Hyatt & Emberson by the dorsal shield with 28 pairs of setae, posterior margin of the sternal shield with deep hollows lateral to iv2, latigynal sclerites well developed, metasternal plates ovate, all setae on coxae I–IV pilose, tarsus I with proximal pilose setae, and three pairs of lightly sclerotized platelets between the epigynal shield and anal shield. |