Drummond, Joanne B., and R. Bruce Chapman. “A Comparison of Two Methods to Determine the Susceptibility of Sawtoothed Grain Beetle (<i>Oryzaephilus surinamensis</I&gt;) Populations to Pirimiphos-Methyl from Canterbury, New Zealand”. New Zealand Plant Protection 720 (July 27, 2019): 245-252. Accessed December 11, 2019. https://journal.nzpps.org/index.php/nzpp/article/view/308.