Kumar, P. Girish, P. M. Sureshan, and P. Manju. 2018. “New Record of the Genus Discoelius Latreille (Hymenoptera: Vespidae: Eumeninae) from Kerala”. Records of the Zoological Survey of India 118 (2):208-11. https://doi.org/10.26515/rzsi/v118/i2/2018/119058.