The adult female of a new species of soft scale Saissetiapuerensis Zhang & Feng, sp. n. is described and illustrated from the genus Saissetia Deplanche, 1859. This species was collected on Lithocarpusuvariifolius (Hance) in Yunnan province, China. A key is provided to separate adult females of all Saissetia species known from China. A table is provided showing the distribution of Saissetia in various zoogeographical regions throughout the world.
Keywords: Coccinae; Saissetia; distribution; soft scale insect; taxonomy.