Purkart, A., Morawski, M., Masłowski, A. and Depa, Łukasz 2019. Ant-mediated anholocyclic overwintering of Prociphilus fraxini (Hemiptera: Aphididae) in Central Europe. Entomologica Fennica. 30, 4 (Dec. 2019), 179–185. DOI:https://doi.org/10.33338/ef.87175.