Krüger, K., Saccaggi, D., van der Merwe, M., & Kasdorf, G. (2016). Transmission of Grapevine Leafroll-associated Virus 3 (GLRaV-3): Acquisition, Inoculation and Retention by the Mealybugs Planococcus ficus and Pseudococcus longispinus (Hemiptera: Pseudococcidae). South African Journal of Enology and Viticulture, 36(2), 223–230. https://doi.org/10.21548/36-2-955