Balzan MV, Rasmont P, Kuhlmann M, Dathe H, Pauly A, Patiny S, Terzo M, Michez D. The bees (Hymenoptera: Apoidea) of the Maltese Islands . Zootaxa [Internet]. 2016 Sep. 9 [cited 2025 Apr. 21];4162(2):225–244. Available from: https://mapress.com/zt/article/view/zootaxa.4162.2.2