Figures 89-94 from: Han H, Jiang N, Xue D (2011) A review of Biston Leach, 1815 (Lepidoptera, Geometridae, Ennominae) from China, with description of one new species. ZooKeys 139: 45-96. https://doi.org/10.3897/zookeys.139.1308

Figures 89-94 - Male genitalia of Biston. 89 Biston thibetaria; 90–94. Biston panterinaria panterinaria. 90 From Sanpu, Beijing 91 From Dayu, Jiangxi 92 From Wuyanling, Taishun, Zhejiang 93 From Taiyuan, Pengshui, Sichuan 94 From Chebaling, Shixing, Guangdong. Scale bar = 1 mm.