Barjadze, Shalva. 2011. “A New Species of Aphis Linnaeus (Hemiptera: Aphididae) from Cephalaria Gigantea (Dipsacaceae) in Georgia”. Zootaxa 2821 (1). Auckland, New Zealand:39–46. https://doi.org/10.11646/zootaxa.2821.1.3.