Larval Performance in the Context of Ecological Diversification and Speciation in Lycaeides Butterflies

Figure 1

(a) Ranges of L. idas and L. melissa across North America, darker shaded regions correspond to ranges of overlap, which includes alpine populations of the hybrid species considered here (CP and MR). (b) Map of sampled Lycaeides populations in Northern California and Nevada, USA. Symbols correspond to populations and taxa.