| Kingdom: Animalia |
| Phylum: Arthropoda |
| Subphylum: Hexapoda |
| Class: Insecta |
| Infraclass: Neoptera |
| Subclass: Pterygota |
| Order: Hemiptera |
| Suborder: Sternorrhyncha |
| Superfamily: Aphidoidea |
| Family: Phylloxeridae |
| Genus: Phylloxera |
| Subject: Phylloxera spp. Fonscolombe, 1834 |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Hamamelidae |
| Order: Juglandales |
| Family: Juglandaceae |
| Genus: Carya |
| Subject: Carya spp. Nutt. |