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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

Författare

Summary, in English

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.

Publiceringsår

2007

Språk

Engelska

Sidor

398-406

Publikation/Tidskrift/Serie

Molecular Phylogenetics and Evolution

Volym

43

Issue

2

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Biological Sciences
  • Zoology

Nyckelord

  • host utilization
  • mutualism
  • Yucca
  • phylogeography
  • yucca moths
  • comparative

Status

Published

Projekt

  • Chemical ecology of obligate pollination mutualisms

Forskningsgrupp

  • Pheromone Group

ISBN/ISSN/Övrigt

  • ISSN: 1095-9513