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1 July 2010 Molecular Evidence for Sympatric Taxa Within Pemphigus betae (Hemiptera: Aphididae: Eriosomatinae)
R.G. Foottit, K. Floate, E. Maw
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Abstract

Mitochondrial DNA cytochrome c oxidase subunit 1 (DNA barcode) and nuclear microsatellite flanking region sequences were used to analyse populations of putative “sugarbeet root aphid”, Pemphigus betae Doane, from sites in Alberta, Canada. Three sympatric genotypes were revealed, identified as P. betae, P. populivenae Fitch, and an undetermined third species. All three genotypes formed morphologically indistinguishable galls on the same set of cottonwood (Populus L., Salicaceae) host species, often on the same tree. Gall morphology is frequently used to identify Pemphigus species. Our results indicate that this practice may be unreliable for these three taxa at least.

© 2010 Entomological Society of Canada
R.G. Foottit, K. Floate, and E. Maw "Molecular Evidence for Sympatric Taxa Within Pemphigus betae (Hemiptera: Aphididae: Eriosomatinae)," The Canadian Entomologist 142(4), 344-353, (1 July 2010). https://doi.org/10.4039/n10-028
Received: 22 January 2010; Accepted: 15 April 2010; Published: 1 July 2010
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