Schwartz, A. 2017. Pesticide Effect on Populations of Tetranychus urticae Koch (Acari: Tetranychidae) and a Predaceous Mite on Table Grapes in the Hex River Valley. South African Journal of Enology and Viticulture. 11, 1 (May 2017), 33–37. DOI:https://doi.org/10.21548/11-1-2245.