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1 September 2009 Genetic Analysis of an Unusual Population of the Problematic Tiger Beetle Group, Cicindela Spendida/C. Limbalis, from Virginia, U.S.A. (Coleoptera: Cicindelidae) Using MTDNA
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Abstract

Previous morphological studies within the claybank group of tiger beetles concluded that C. limbalis, C. splendida, and C. denverensis were separate species, but results from a limited mitochondrial DNA analysis suggested they may represent a single species. Here we review relevant literature on the relationships between C. limbalis and C. splendida and present results of mtDNA analysis of several populations of these taxa, including a Virginia population with specimens morphologically matching both species. Mitochondrial haplotypes for cob and coxl revealed that C. limbalis and C. splendida from several populations were closely related and could not be diagnosed under the criterion of exclusivity. Phylogenetic analyses were conducted under parsimony criteria and Bayseian inference, and in all reconstructions, C. limbalis and C. splendida (and a reference sample of C. denverensis) were united into a large polytomy. Nested clade analysis revealed no patterns of geographic distribution significantly different from panmixia. The lack of geographic structure across the sampled range recovered no support for earlier phylogeographic hypothesis that C. splendida and C. limbalis separated in the foothills of the Appalachians during the Pleistocene. It is hoped that these findings will provide impetus for a thorough systematic analyses of the claybank group of tiger beetles.

Ryan M. Woodcock and C. Barry Knisley "Genetic Analysis of an Unusual Population of the Problematic Tiger Beetle Group, Cicindela Spendida/C. Limbalis, from Virginia, U.S.A. (Coleoptera: Cicindelidae) Using MTDNA," Entomological News 120(4), 341-348, (1 September 2009). https://doi.org/10.3157/021.120.0401
Received: 4 August 2008; Accepted: 1 November 2008; Published: 1 September 2009
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