Seasonal breeding structure in the house fly (Musca domestica L.)

TL;DRAbstract

The breeding structure of natural populations is a consequence of mating patterns in subpopulations and the amount of gene flow among subpopulations. This dissertation is a study of seasonal changes in the breeding structure of natural populations of the house fly, Musca domestica L;Allozyme frequencies were estimated at nine enzymatic loci in flies collected for two years at six farms. Allozymes were resolved by vertical polyacrylamide gel electrophoresis. Allelic and genotypic frequencies were studied in four adult age groups. Farms differed in the quality of breeding resources they offered reproducing flies, presenting the possibility of local adaptation;No consistent departures from random mating were detected. No consistent linkage disequilibrium was observed. Allele frequencies were homogeneous among sexes and age groups. Mating patterns in subpopulations were entirely random and did not influence population breeding structure;Allele frequencies at farms were initially divergent,

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