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Figure 5


Fig. 5. Phylogeny of lepidopteran blue opsin genes. The tree is based upon a neighbor-joining (NJ) analysis of 1077 nucleotide sites, using Tamura-Nei distance and heterogeneous pattern of nucleotide substitution among lineages. Bootstrap values shown are based upon 500 maximum likelihood (ML) bootstrap replicates determined using the GTR+{Gamma}+I model with estimated gamma shape parameter=0.574 and proportion of invariant sites=0.1474. GenBank accession numbers for sequences are provided in supplementary material Table S3. Inset: Dorsal wing of a male Polyommatus icarus, one of the lycaenids surveyed.