Rabaglia, R.J., Smith, S.L., Rugman-Jones, P., Digirolomo, M.F., Ewing, C. and Eskalen, A. 2020. Establishment of a non-native xyleborine ambrosia beetle, Xyleborus monographus (Fabricius) (Coleoptera: Curculionidae: Scolytinae), new to North America in California. Zootaxa. 4786, 2 (Jun. 2020), 269–276. DOI:https://doi.org/10.11646/zootaxa.4786.2.8.