2.5 Hexacentrus hareyamai Furukawa, 1941 stat. nov.
Hexacentrus japonicus hareyamai Furukawa, 1941; Warchałowska-Śliwa, 1998
Hexacentrus unicolor Guo et al., 2016 misidentification; Kim, et al., 2020 misidentification
Material examined: 1 male, CHINA, Guangxi Prov., Maoershan, 12-viii-2020, coll. Zong Jing-Song ; 1 female, CHINA, Zhejiang Prov., Jiande, 15-vii-2018, coll. He Zhu-Qing ; 1 male, CHINA, Zhejiang Prov., Tianmushan, 6-ix-2019, coll. He Zhu-Qing ; 1 female, CHINA, Zhejiang Prov., Dapanshan, 4-x-2019, coll. He Zhu-Qing ; 1 male, CHINA, Zhejiang Prov., Qingliangfeng, 26-vii-2017, coll. He Zhu-Qing ; 1 male, CHINA, Zhejiang Prov., Baimashan, 9-ix-2017, coll. He Zhu-Qing.
Measurements (in mm): Male: SZ 36.53–41.70, PR 6.60–7.15, FW 29.80–34.52, HF 18.91–21.22; Female: SZ 34.55–38.01, PR 5.10–5.84, FW 27.69–30.32, HF 20.41–21.58, OV 12.07–13.90.