Morimoto 2011. Weevils of the genus Protacalles and its allies in Japan (Coleoptera: Curculionidae: Molytinae) (Part 1). 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: 325-336