| Kingdom: Animalia |
| Phylum: Arthropoda |
| Subphylum: Chelicerata |
| Class: Arachnida |
| Order: Acari |
| Suborder: Prostigmata |
| Superfamily: Eriophyoidea |
| Family: Eriophyidae |
| Subfamily: Eriophyinae |
| Tribe: Aceriini |
| Genus: Aceria |
| Subject: Aceria neoessigi (Keifer, 1940) |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Dilleniidae |
| Order: Salicales |
| Family: Salicaceae |
| Genus: Populus |
| Subject: Populus spp. L. |