Froud, K.J., K.R. Everett, J.L. Tyson, R.M. Beresford, and N. Cogger. “Gt”;. New Zealand Plant Protection 68 (January 8, 2015): 313–327. Accessed May 26, 2022. https://journal.nzpps.org/index.php/nzpp/article/view/5828.