Map of geographic collecting locations for three species of Chinese leeches. H. tianjinensis and H. nipponia were collected in adjacent areas of Tianjin City, and Haemadipsa yanyuanensis was collected in Yunnan Province.

 
 
  Part of: Wang H, Meng F-M, Jin S-J, Gao J-W, Tong X-R, Liu Z-C (2022) A new species of medicinal leech in the genus Hirudo Linnaeus, 1758 (Hirudiniformes, Hirudinidae) from Tianjin City, China. ZooKeys 1095: 83-96. https://doi.org/10.3897/zookeys.1095.74071