Abstract: The distribution of the genus Pseudopimpla Habermehl was (Hymenoptera: Ichneumonidae: Pimplinae) first discovered in Sichuan Province, and a new species of this genus was recorded: Pseudopimpla jiuzhaiensis Li & Sun, sp. nov., which was collected from Jiuzhaigou National Nature Reserve. The morphological descriptions and illustrations of the new species were provided, and a key to the world species in the world was also provided. The specimens were deposited in the Insect Museum, Center for the Biological Disaster Prevention and Control, National Forestry and Grassland Administration.