Decoupled post‐glacial history in mutualistic plant–insect interactions: insights from the yellow loosestrife (Lysimachia vulgaris) and its associated oil‐collecting bees (Macropis europaea and M. fulvipes)
1. Department of Biological Sciences, University of Idaho, Moscow, ID, USA;2. Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland