Drummond, Joanne B., and R. Bruce Chapman. 2019. “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 72 (July), 245-52. https://doi.org/10.30843/nzpp.2019.72.308.