S Shiga, Y Omura, Y Kawasaki, K Watanabe (2022) Phylogenetic Separation of Holotrichia Species (Insecta, Coleoptera, Scarabaeidae) Exhibiting Circadian Rhythm and Circa‘bi’dian Rhythm. Zoological Science, 39: early view. https://doi.org/10.2108/zs210091
