Details of the 33 populations analysed by microsatellites.

Note* insects from more than one sample site combined and analysed as one population; NM = Total no. of specimens analysed by microsatellites; NL = no of loci analysed; Lp = no. of polymorphic loci; AM = mean no of alleles detected averaged over all loci, AR = allele richness averaged over all loci; NA = Null alleles; HO, HE = Observed and Expected Heterozygosity averaged over all loci; FIS = Inbreeding Coefficient averaged over all loci. NA = population not analysed by microsatellites. See Tables S1, S3, and S4 for all FST values.