1 Introduction Wild bumble bees (Bombus Latreille) play a critical role within a community of pollinators, contributing valuable ecosystem services through pollination of wild plants and crops in many regions of the world (Garibaldi et al. 2013; McGrady et al. 2021; Ollerton 2017). Widespread reports of native bumble bee species declines in range and relative abundance over the last few decades are therefore of great concern (Bommarco et al. 2012; Cameron et al.