Bain, A., B. Chantarasuwan, L.-S. Shou, M. H. McKey, B. Schatz, and F. Kjellberg. “A New Case of Ants Nesting Within Branches of a Fig Tree: The Case of Ficus Subpisocarpa in Taiwan”. Sociobiology, vol. 59, no. 2, Sept. 2014, pp. 415-34, doi:10.13102/sociobiology.v59i2.604.