Diognetus vernus Yasunaga, Schwartz & Chérot, 2023: 52. HT: male, Japan, Kyushu, Nagasaki Pref., Nagasaki City, Kabashima Is., 32.558909ºN 129.784485ºE; AMNH.
Yamatolygus insulanus: Nozaki et al., 2016: 81; Oh et al., 2018: 482; Kim et al., 2019:72. Misidentification (Yasunaga et al., 2023: 52).