Ornosa C, Torres F, Rúa PDL. Updated list of bumblebees (Hymenoptera: Apidae) from the Spanish Pyrenees with notes on their decline and conservation status . Zootaxa [Internet]. 2017 Feb. 26 [cited 2025 Apr. 3];4237(1):41–77. Available from: https://mapress.com/zt/article/view/zootaxa.4237.1.3