Kumar, P. G., Sureshan, P. M. and Manju, P. (2018) “New record of the genus Discoelius Latreille (Hymenoptera: Vespidae: Eumeninae) from Kerala”, Records of the Zoological Survey of India, 118(2), pp. 208–211. doi: 10.26515/rzsi/v118/i2/2018/119058.