| Kingdom: Animalia |
| Phylum: Arthropoda |
| Subphylum: Hexapoda |
| Class: Insecta |
| Infraclass: Neoptera |
| Subclass: Pterygota |
| Order: Hemiptera |
| Suborder: Sternorrhyncha |
| Superfamily: Aphidoidea |
| Family: Aphididae |
| Subfamily: Phyllaphidinae |
| Genus: Phyllaphis |
| Subject: Phyllaphis fagi (Linnaeus, 1761) |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Hamamelidae |
| Order: Fagales |
| Family: Fagaceae |
| Genus: Fagus |
| Subject: Fagus sylvatica L. |