Yan, C.-J., J.-H. He, and X.-X. Chen. “Two Genera Foersteria Szépligeti, 1896 and Polydegmon Foerster, 1862 (Hymenoptera, Braconidae, Brachistinae) from China, With Description of a New Species”. Zootaxa, vol. 3683, no. 2, July 2013, pp. 178–184, doi:10.11646/zootaxa.3683.2.6.