Figure S1 The plots show the relationships between the plant species richness observed in the 4-m2 plots and those observed in 16 and 64-m2 plots during the summers of 2002–2004.

Figure S2 Plant species richness in relation to degree-days.

Figure S3 Elevation range of the bumblebee species found in the study area.

Figure S4 Phylogeny of the bumblebee species occurring in the study area pruned from the tree of Cameron et al. (2007).

Figure S5 Relationship between the proportion of the cover of Fabaceae in the 4-m2 vegetation plots and degree-days.

Figure S6 Proboscis and phylogenetic diversity in communities measured with the Rao index in relation to the degree-days and plant species richness.

Table S1 Prevalence of the 20 bumblebee species (or morphogroup in the case of Bombus terrestris) in the 149 sampled communities.

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