Reference

Phu Van Pham, Masahiro Kon, Nhi Thi Pham, Nga Quynh Thi Cao, Tru Hoang Vu (2021): A review of the genus Leptaulax Kaup, 1868 (Coleoptera: Passalidae) from Vietnam, with the first record of L. loebli Kon, Johki & Araya, 2003 – Bonn zoological Bulletin - früher Bonner Zoologische Beiträge. – 70: 247 - 251.