Udayakumar, A., and T. M. Shivalingaswamy. “Nest Architecture and Life Cycle of Small Carpenter Bee, Ceratina Binghami Cockerell (Xylocopinae: Apidae: Hymenoptera)”. Sociobiology, vol. 66, no. 1, Apr. 2019, pp. 61-65, doi:10.13102/sociobiology.v66i1.3558.