| Kingdom: Animalia | 
| Phylum: Arthropoda | 
| Subphylum: Hexapoda | 
| Class: Insecta | 
| Infraclass: Neoptera | 
| Subclass: Pterygota | 
| Order: Hymenoptera | 
| Suborder: Apocrita | 
| Superfamily: Apoidea | 
| Family: Halictidae | 
| Subfamily: Halictinae | 
| Tribe: Halictini | 
| Genus: Halictus | 
| Subject: Halictus smaragdulus Vachal |