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An Electrophoretic Analysis of Rhagoletis (Diptera: Tephritidae) Phylogeny

Stewart H. Berlocher and Guy L. Bush
Systematic Zoology
Vol. 31, No. 2 (Jun., 1982), pp. 136-155
DOI: 10.2307/2413033
Stable URL: http://www.jstor.org/stable/2413033
Page Count: 20
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An Electrophoretic Analysis of Rhagoletis (Diptera: Tephritidae) Phylogeny
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Abstract

Electrophoretic analysis of Rhagoletis (Diptera: Tephritidae) has been performed to gain insight into phylogenetic relationships in the genus, and to determine whether Rhagoletis species have cospeciated with their host plants. The electrophoretic phylogeny differs from both the conventional classification and the assumed phylogeny of the host plants. Most of the changes suggested in the conventional classification are compatible with morphological data. The differences in the phylogenies of Rhagoletis and its host plants are not, however, likely to be resolved by further systematic analysis of the host plants. In addition to these topics, we also discuss the electrophoretic phylogeny with respect to the biogeography of the genus.

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