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Mitochondrial DNA Variation Within and between Species of the Papilio machaon Group of Swallowtail Butterflies

Felix A. H. Sperling and Richard G. Harrison
Evolution
Vol. 48, No. 2 (Apr., 1994), pp. 408-422
DOI: 10.2307/2410101
Stable URL: http://www.jstor.org/stable/2410101
Page Count: 15
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Mitochondrial DNA Variation Within and between Species of the Papilio machaon Group of Swallowtail Butterflies
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Abstract

Species limits and phylogenetic relationships in the Papilio machaon species group are potentially confounded by a complex pattern of Pleistocene range fragmentation, hybridization, and ecological race formation. Mitochondrial DNA (mtDNA) restriction-site analysis has been used to define genetic affinities and genetic population structure within this species group. The distribution of mtDNA haplotypes generally confirms prior phylogenetic hypotheses and species delineations, but there is poor correspondence between ecological races and mtDNA haplotypes. The amount and distribution of mtDNA sequence variation within species vary among species, reflecting differences in current patterns of gene flow and/or historical population structure. In spite of wing pattern characters that ally them with P. polyxenes, both P. joanae and P brevicauda have mtDNA that is closely related to that of P. machaon. We suggest that P. joanae and P. brevicauda are of hybrid origin.

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