| Kingdom: Animalia |
| Phylum: Arthropoda |
| Subphylum: Hexapoda |
| Class: Insecta |
| Infraclass: Neoptera |
| Subclass: Pterygota |
| Order: Coleoptera |
| Suborder: Polyphaga |
| Infraorder: Cucujiformia |
| Superfamily: Chrysomeloidea |
| Family: Cerambycidae |
| Subfamily: Cerambycinae |
| Tribe: Clytini |
| Genus: Plagithmysus |
| Subject: Plagithmysus blackburni (Sharp, 1885) |