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Insects 2011, 2(2), 195-209; doi:10.3390/insects2020195

Speciation, Divergence, and the Origin of Gryllus rubens: Behavior, Morphology, and Molecules

Department of Biology, California State University, Northridge, 18111 Nordhoff Street, Northridge, CA 91330, USA
Received: 30 March 2011 / Revised: 22 April 2011 / Accepted: 26 April 2011 / Published: 4 May 2011
(This article belongs to the Special Issue Phylogeographic Syntheses)
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The last 25 years or so has seen a huge resurgence of interest in speciation research. This has coincided with the development and widespread use of new tools in molecular genetics, especially DNA sequencing, to inform ecological and evolutionary questions. Here I review about a decade of work on the sister species of field crickets Gryllus texensis and G. rubens. This work has included analysis of morphology, behavior, and the mitochondrial DNA molecule. The molecular work in particular has dramatically re-shaped my interpretation of the speciational history of these taxa, suggesting that rather than ‘sister’ species we should consider these taxa as ‘mother-daughter’ species with G. rubens derived from within a subset of ancestral G. texensis.
Keywords: speciation; crickets; behavioral isolation; phylogeography speciation; crickets; behavioral isolation; phylogeography
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Gray, D.A. Speciation, Divergence, and the Origin of Gryllus rubens: Behavior, Morphology, and Molecules. Insects 2011, 2, 195-209.

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