Perlodinella microlobata Wu, 1938 is rediscovered in Qinghai and Sichuan provinces with a supplementary description in this paper. Another species collected from Qinghai at the same time, Tibetisoperla sclerotica Yan, Chen, Bozdogan & Li, 2022, is partially revised because the adult female belongs to the chloroperlid genus Sweltsa Ricker, 1943.