FIGURE 8. Diagram representing a in The arctic and alpine bumblebees of the subgenus Alpinobombus revised from integrative assessment of species' gene coalescents and morphology (Hymenoptera, Apidae, Bombus)

FIGURE 8. Diagram representing a corridor-dispersal model, encompassing a set of the short-distance dispersal events permitted (in either direction) between the areas defined in Table 5 (including the outgroup B. ignitus), based on their geographical proximity and the likely disposition of suitable habitat and favourable climates in the past (see the text).