Gresham, B.A., R.L. Hill, M.K. Kay, P.M. Taylor, and M.C. Watson. 2007. “Biology and Massrearing of the Buddleia Biocontrol Agent Cleopus Japonicus (Coleoptera Curculionidae)”. New Zealand Plant Protection 60 (August): 320-20. https://doi.org/10.30843/nzpp.2007.60.4666.