| Kingdom: Animalia |
| Phylum: Arthropoda |
| Subphylum: Hexapoda |
| Class: Insecta |
| Infraclass: Neoptera |
| Subclass: Pterygota |
| Order: Hemiptera |
| Suborder: Sternorrhyncha |
| Superfamily: Aphidoidea |
| Family: Aphididae |
| Subfamily: Eriosomatinae |
| Tribe: Pemphigini |
| Genus: Prociphilus |
| Subject: Prociphilus fraxinifolii (Riley, 1879) |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Order: Scrophulariales |
| Family: Oleaceae |
| Genus: Fraxinus |
| Subject: Fraxinus pennsylvanica Marsh. |