The research of the genus Caliroa is briefly reviewed. A new sawfly species of Caliroinae, Caliroa semicincta Wei, sp. nov., is described from China. Type specimens are deposited in the Insect Collection of Central South University of Forestry and Technology, Changsha, Hunan Province, China. Caliroa semicincta Wei, sp. nov. （Figs. 1-5） Body length in female 4.8 mm, male unknown. This species is close to C. annulipes （Klug, 1814） from Europe, but differs from the latter in the hind tibia with basal 3/5 and the hind tarsus with basal 4/7 whit...
