Revision of the subfamily Opiinae (Hymenoptera, Braconidae) from Hunan (China), including thirty-six new species and two new genera Author Li, Xi-Ying Author Achterberg, Cornelis van Author Tan, Ji-Cai text ZooKeys 2013 268 1 186 http://dx.doi.org/10.3897/zookeys.268.4071 journal article http://dx.doi.org/10.3897/zookeys.268.4071 1313-2970-268-1 Opius cheni van Achterberg & Li nom. n. Opius ambiguus Weng & Chen (in Chen & Weng), 2005: 95-96. Notes. Opius ambiguus Weng & Chen, 2005 (not Wesmael 1835 ) is a primary homonym. We here rename the species Opius cheni nom. n.after Prof. Dr Jia-Hua Chen for his contribution to our knowledge of the Chinese Braconidae and for his hospitality to the two first authors during several visits to the Fujian Agricultural & Forestry University at Fuzhou.