arctifrons
ssp. arctifrons (Saunders 1903) [Halictus] {Ebmer 1974: 60 (clé)} {Iles Canaries: Tenerife}
ssp. glandarium (Warncke 1975) {Iles Canaries: Hierro, La Palma} {Ebmer 1993: 781, MMM}
ssp. optatum (Warncke 1975) {iles Canaries: Gran Canaria)

Remark: "Ebmer told us at that ssp. glandarium could be a species not ssp. see Hohmann et al 1993: 317" (F. LaRoche, communic. pers.).