Barjadze, S.; Barbagallo, S.; Blackman, R.; Özdemir, I. A New Caryophyllaceae-Feeding Species of Macrosiphum (Hemiptera: Aphididae) in Republic of Georgia, and a Redescription of Macrosiphum hartigi Hille Ris Lambers. Zootaxa 2017, 4341, 229–242.