Ma, Y.-C., Peng, Y.-Q., & Yang, D.-R. (2013).

Description of two new species of Walkerella (Pteromalidae, Otitesellinae) from China with a key to species of the genus

. Zootaxa, 3702(5), 473–482. https://doi.org/10.11646/zootaxa.3702.5.6