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Population structure of the beetle pests Phyllodecta vulgatissima and P. vitellinae on UK willow plantations
Author(s) -
Batley J.,
Edwards K. J.,
Barker J. H. A.,
Dawson K. J.,
Wiltshire C. W.,
Glen D. M.,
Karp A.
Publication year - 2004
Publication title -
insect molecular biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.955
H-Index - 93
eISSN - 1365-2583
pISSN - 0962-1075
DOI - 10.1111/j.0962-1075.2004.00501.x
Subject(s) - willow , biology , population , agroforestry , botany , agronomy , demography , sociology
Phyllodecta (= Phratora ) vulgatissima and P. vitellinae (Coleoptera: Chrysomelidae) are important pests of willows and poplars. Their differences in host species preference may provide a non‐chemical control strategy for pest control. However, little is known about population structure with respect to hosts, regions or seasons. Using five microsatellites, 850 P. vulgatissima and 1100 P. vitellinae individuals, comprising 17 and 22 UK samples, respectively, were genotyped. High diversity was observed at all loci. Migrant numbers exchanged per generation ( Nm ) were high (2.1–12.6 for P. vulgatissima and 0.9–12.2 for P. vitellinae ), suggesting high genetic exchange between samples. Estimates of population differentiation ( F ST ) and analyses of the data using Bayesian methods (Partition and Structure) showed little evidence of subdivision in relation to geography, sampling time or host.