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Pietersen, G., Pietersen, Jnr, G., Pietersen, I. and Stiller, M. 2018. Identification of Mgenia fuscovaria (StÃ¥l)(Hemiptera: Cicadellidae), a vector of aster yellows disease on grapevines in South Africa, and differentiation from Mgenia angusta (Theron) by nucleotide sequences of the mitochondrial cytochrome oxidase I (cox1) gene. South African Journal of Enology and Viticulture. 39, 2 (Sep. 2018), 176–179. DOI:https://doi.org/10.21548/39-2-3157.