Seven species of Keilbachia Mohrig are recognized, and among them, two new species, K. subacumina Wu & Zhang, sp. n. and K. fengyangensis Wu & Zhang, sp. n. are described and illustrated. Five species, K. orthonema, K. flagrispina, K. demssia, K. oligonema and K. acumina are reported for the first time from China. A key to the 15 Chinese species of this genus is also provided.