- Jayasinghe, H. & S. Rajapakshe (2025). Adult stage of Surendra quercetorum discalis Moore, 1857. In Jayasinghe, H., S. Rajapakshe & C. de Alwis (eds.). The story of Sri Lankan Butterflies, v. 2.0. Butterfly Conservation Society of Sri Lanka. https://slbutterflies.lk/explore/butterfly/Surendra%20quercetorum%20discalis#adult