Megachile (Eutricharaea) callensis Ferton, 1914
Megachile callensis var. regularis Benoist, 1934: 109 — ♀ (MNHN), Holotype, Rabat (Morocco)
Global distribution: Near endemic (Morocco, Algeria)
Regional distribution: Rabat-Salé-Kénitra
References: Benoist (1934b)
Note: Taxonomic status unclear, known only from the type specimen.