Two new species of the hitherto monotypic Tibetisoperla Huo & Du, 2021, T. elongata sp. nov., T. sclerotica sp. nov., are described, illustrated and compared with the type species and other Isoperlinae. Tibetisoperla and T. wangluyui Huo & Du, 2021 are newly recorded for Qinghai Province.
Isoperlinae, new taxa, stoneflies, Tibetisoperla elongata sp nov., Tibetisoperla sclerotica sp. nov.