In a study on the butterfly community of the Oussudu (Ousteri) Bird Sanctuary and its environs at Puducherry, a total of 63 butterfly species belonging to 47 genera under five families were recorded which included two endemics and three Schedule I species. Nymphalidae was the most diverse and abundant butterfly family of the area followed by Pieridae. The paper also discusses the abundance and species assemblage pattern in the local butterfly fauna along with their legal/protection status and distribution patterns in the study area.
Murugesan, M., Arun, P. R., & Prusty, B. A. K. (2013). The butterfly community of an urban wetland system - a case study of Oussudu Bird Sanctuary, Puducherry, India. Journal of Threatened Taxa, 5(12), 4672–4678. https://doi.org/10.11609/jott.o3056.4672-8