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1 April 2008 Molecular Phylogeography of the Subterranean Termite Reticulitermes tibialis (Isoptera: Rhinotermitidae)
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Abstract

A molecular genetics study involving DNA sequencing of a portion of the mitochondrial DNA 16S gene was undertaken to determine the extent of genetic variation within the subterranean termite, Reticulitermes tibalis, in the United States. A total of 106 samples were analyzed from 18 states. Thirty-two nucleotide sites were variable in the 428 bp 16S rDNA sequence, and 41 distinct haplotypes were observed. Twenty-three haplotypes (55%) occurred only once, while the most common haplotype, T2, occurred in 24% of the samples. Genetic diversity among haplotypes ranged from 0.2 to 2.3%. Bayesian phylogenetic and TCS spanning tree analysis revealed several distinct clades that appeared to be geographically isolated; however, regression and Mantel tests did not support any populational structure. The role of glaciation and sky islands on haplotype variation of R. tibialis is supported by a molecular clock and may have contributed to the large amount of genetic variation observed within this species.

James W. Austin, Allen L. Szalanski, Jackie A. McKern, and Roger E. Gold "Molecular Phylogeography of the Subterranean Termite Reticulitermes tibialis (Isoptera: Rhinotermitidae)," Journal of Agricultural and Urban Entomology 25(2), 63-79, (1 April 2008). https://doi.org/10.3954/1523-5475-25.2.63
Accepted: 1 September 2008; Published: 1 April 2008
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