Thirumalai, G., and C. Radhakrishnan. “Aquatic Hemiptera (Insecta) of Kasaragod District, Kerala State”. Records of the Zoological Survey of India 97, no. 3 (September 1, 1999): 123–139. Accessed September 7, 2024. https://recordsofzsi.com/index.php/zsoi/article/view/160131.