Two new species and a new subspecies of Selandriidae from Mt. Mangshan of Hunan and Yunnan Province, China are described: Nesoselandria nigrodorsalis, Wei et Xiao, sp. nov., Heptamelus mangshanicus Wei, sp. nov., Niasnoca apicalis rufiventris Wei, ssp. nov. The type materials are deposited in the Insect Collection of Central South ForestryUniversity, Hunan, China 1. Nesoselandria nigrodorsalis Wei, sp. nov. (Fig.1) Female. Body length 5.0 mm; Black, following parts white: sternites 2~6 entirely, apical half of front coxa, most parts of four hi...