Schwartz, A. “The Seasonal Occurrence of the Snoutbeetle, Phlyctinus Callosus Boheman ( Coleoptera: Curculionidae) on Vines in the Robertson Area”. South African Journal of Enology and Viticulture 6, no. 1 (May 10, 2017): 21–22. Accessed February 18, 2026. https://www.journals.ac.za/sajev/article/view/2356.