Osmia fallax, Taxa Only, Exact Match: 2 Treatments

Osmia (Hoplosmia) fallax			Lhomme, Patrick, 2020, The wild bees (Hymenoptera: Apoidea) of Morocco, Zootaxa 4892 (1), pp. 1-159 : 108	108
Osmia (Hoplosmia) fallax			Müller, Andreas, 2018, Palaearctic Osmia bees of the subgenus Hoplosmia (Megachilidae, Osmiini): biology, taxonomy and key to species, Zootaxa 4415 (2), pp. 297-329 : 306-307	306-307