Distribution map for Trigonotoma from China: T. constricta sp. nov. (red); T. digitata sp. nov. (yellow); T. sinica Dubault, Lassalle & Roux (orange), the precise locality was not mentioned in the original literature; T. dohrni Chaudoir (green); T. lewisii Bates (blue); T. indica Brullé, 1834 (purple).

  Part of: Zhu P, Shi H, Liang H (2020) Notes on the genus Trigonotoma from China, with descriptions of two new species (Carabidae, Pterostichinae). ZooKeys 921: 49-64. https://doi.org/10.3897/zookeys.921.47258