Kobayashi 2011. Two new species of the genus Neovalgus (Coleoptera, Scarabaeidae, Valginae) from southeast Asia. Masamushi. Entomological papers dedicated to Dr. Kimio Masumoto on the occasion of his retirement., Japanese Society of Scarabaeoidology, Tokyo, 2011: i-iv, 1-345. Chapter pagination: 199-202