Reference

Boris M. Kataev, Joachim Schmidt (2001): Contribution to knowledge of Chydaeus Chaudoir, 1854: Revision of the Chydaeus bedeli (Tschitschérine, 1897) Chydaeus irvinei (Andrewes, 1930), and Chydaeus seminovi (Tschitschérine, 1898) species groups from the Himalaya and China (Coleoptera, Carabidae, Harpalini) – Coleoptera - Schwanfelder Coleopterologische Mitteilungen – 5: 389 - 425.