The influence of interaction type and feeding location on the phylogeographic structure of the yucca moth community associated with Hesperoyucca whipplei

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The influence of interaction type and feeding location on the phylogeographic structure of the yucca moth community associated with Hesperoyucca whipplei. / Althoff, David M.; Svensson, Glenn; Pellmyr, Olle.

I: Molecular Phylogenetics and Evolution, Vol. 43, Nr. 2, 2007, s. 398-406.

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskrift

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TY - JOUR

T1 - The influence of interaction type and feeding location on the phylogeographic structure of the yucca moth community associated with Hesperoyucca whipplei

AU - Althoff, David M.

AU - Svensson, Glenn

AU - Pellmyr, Olle

PY - 2007

Y1 - 2007

N2 - The interactions between herbivorous insects and their host plants have been central in generating diversification in both groups. We used a community of four yucca moth species, monophagous on the host plant Hesperoyucca whipplei (Agavaceae), to examine how the type of interaction and where insects feed within a plant influence phylogeographic structure of herbivorous insects. These four species included two fruit-feeders, one mutualistic and one commensalistic, and two commensalistic stalk-feeders. Surveys based on mtDNA cytochrome oxidase I sequence data demonstrated that the moth species differed in phylogeographic history. Populations of the mutualist pollinator, Tegeticula maculata, exhibited the most subdivision in comparison to the three commensal Prodoxus species (both genera in Lepidoptera, Prodoxidae). Feeding location was also correlated with differences in phylogeographic history through its influence on population sizes and the probability of gene flow. The results suggest that both the outcome of interactions and where insects feed may influence population structure. (C) 2006 Elsevier Inc. All rights reserved.

AB - The interactions between herbivorous insects and their host plants have been central in generating diversification in both groups. We used a community of four yucca moth species, monophagous on the host plant Hesperoyucca whipplei (Agavaceae), to examine how the type of interaction and where insects feed within a plant influence phylogeographic structure of herbivorous insects. These four species included two fruit-feeders, one mutualistic and one commensalistic, and two commensalistic stalk-feeders. Surveys based on mtDNA cytochrome oxidase I sequence data demonstrated that the moth species differed in phylogeographic history. Populations of the mutualist pollinator, Tegeticula maculata, exhibited the most subdivision in comparison to the three commensal Prodoxus species (both genera in Lepidoptera, Prodoxidae). Feeding location was also correlated with differences in phylogeographic history through its influence on population sizes and the probability of gene flow. The results suggest that both the outcome of interactions and where insects feed may influence population structure. (C) 2006 Elsevier Inc. All rights reserved.

KW - host utilization

KW - mutualism

KW - Yucca

KW - phylogeography

KW - yucca moths

KW - comparative

U2 - 10.1016/j.ympev.2006.10.015

DO - 10.1016/j.ympev.2006.10.015

M3 - Article

VL - 43

SP - 398

EP - 406

JO - Molecular Phylogenetics and Evolution

T2 - Molecular Phylogenetics and Evolution

JF - Molecular Phylogenetics and Evolution

SN - 1095-9513

IS - 2

ER -