Abstract
Eustra petrovi sp. nov. from China, Yunnan Province (type locality: cave Xianren Dong near to village Datianba, Longling County, Baoshan City) is described and illustrated. The new species exhibits troglomorphic features (depigmentation of tegument, brachyptery, microphthalmy) and can be separated from other species of Eustra by presenting a particular combination of character states.