Biswas, S., and S. K. Chatterjee. “Scarabaeidae (India Coleoptera) of Silent Valley, Kerala, India With Descriptions of Three New Species”. Records of the Zoological Survey of India 84, no. 1-4 (December 1, 1986): 79–96. Accessed June 15, 2024. https://recordsofzsi.com/index.php/zsoi/article/view/161083.