Lankin, G.O., D.A.J. Teulon, S.P. Worner, and M.A.W. Stufkens. 2003. “Developing Action Thresholds for Aphids Transmitting BYDV in Autumn Sown Wheat”. New Zealand Plant Protection 56 (August):268-68. https://doi.org/10.30843/nzpp.2003.56.6070.