Tetracanthella annulata sp. nov. 8 position of macrochaetae and s-chaetae on corpus 9–10 dorsal chaetotaxy of Th.II–Abd.III (9) and Abd.IV (10), dorsal view 11 postlabial area 12 spur of Leg 3 in adult male 13 distal part of leg 3.

  Part of: Potapov M, Brinev A, Sun X (2019) Isotomidae of Japan and Asiatic part of Russia. II. The genus Tetracanthella of the Far East. ZooKeys 855: 31-54. https://doi.org/10.3897/zookeys.855.33000