Barjadze, S., Barbagallo, S., Blackman, R. and Özdemir, I. 2017. A new Caryophyllaceae-feeding species of Macrosiphum (Hemiptera: Aphididae) in Republic of Georgia, and a redescription of Macrosiphum hartigi Hille Ris Lambers. Zootaxa. 4341, 2 (Oct. 2017), 229–242. DOI:https://doi.org/10.11646/zootaxa.4341.2.3.