Evol Ecol Res 7: 1139-1151 (2005)     Full PDF if your library subscribes.

Replicated host-race formation in bogus yucca moths: genetic and ecological divergence of Prodoxus quinquepunctellus on yucca hosts

Glenn P. Svensson,1,2* David M. Althoff1 and Olle Pellmyr1

1Department of Biological Sciences, University of Idaho, Moscow, ID 83844-3051 and  2Department of Biological Sciences, University of South Carolina, Coker Life Sciences Building, 700 Sumter Street, Columbia, SC 29208, USA

Address all correspondence to Glenn P. Svensson, Department of Ecology, Lund University, Sölvegatan 37, SE-223 62 Lund, Sweden.
e-mail: glenn.svensson@ekol.lu.se


Goal: Assess host-race formation in certain moths by examining their genetic and ecological differentiation.

Organisms: Stalk-feeding moths, Prodoxus quinquepunctellus, collected from sympatric populations of Yucca elata and Y. rostrata in west Texas, USA.

Results: Moths on the two yuccas differed significantly in mtDNA haplotype frequencies, emergence time, wing dot number, body size, and ovipositor size and shape.

Conclusion: Host-race formation has probably occurred in this yucca moth although genetic divergence was low.

Keywords: diversification, host-race formation, mitochondrial DNA, ovipositor morphology, phenology, Prodoxidae, Yucca.

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