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Abstract
The house fly Musca domestica Linnaeus (Diptera) is one of the most studied species that is globally distributed and well known to everyone. In order to ensure baseline knowledge for the genetic resources of the species, genetic variation in M. domestica populations from western and southern parts of Turkey was investigated using nucleotide sequence analysis of 348 base pairs (bp) in the mitochondrial cytochrome oxidase subunit I gene (COI). Samples of 192 individuals were collected from 16 localities of Turkey. There were 10 variable sites defining two haplotypes of COI in this species. There was no difference in geographical distribution frequency between the two regions of Turkey. Overall, haplotype diversity (h) was low, ranging from 0 to 0.5606 with the average overall value of 0.178 ± 0.04 and nucleotide diversity (π), ranged from 0 to 0.0056 with the overall mean of 0.0016. Analysis of molecular variance (AMOVA) indicated that genetic differentiation within individuals and populations was low and significant (p < 0.05). Except Afyon population, conventional population statistic FST showed no significant genetic structure along the range of M. domestica populations. Sixteen populations clustered under six haplotypes and two of them are unique to Turkey. Haplotype networks suggested that house fly populations in Turkey are grouped with the Palearctic region, which is the most probable place for the origin of this species.
Acknowledgements
The author thanks Dr. Vatan Taskin for his help in collecting house fly samples. He also thanks Sevan Ağdamar and Abuzer Güler for their contribution. Dr. Serhan Tarkan kindly read and commented on the manuscript.
Supplementary material available online.