Larissa Batista Cont, Isabel Alves-dos-Santos, Tiago de Almeida Caetano, Flavio de Oliveira Francisco, Maria Cristina Arias
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Gene flow among populations of Xylocopa frontalis (Hymenoptera: Apidae: Xylocopini) of islands and continent: is the sea a geographical barrier?
The aim of this study was to investigate whether the sea acts as a geographical barrier to gene flow in Xylocopa frontalis. To achieve this, 90 female individuals from three geographic populations were analyzed. These populations were collected from the north coast of the state of São Paulo (Brazil) in mainland and insular areas. The genetic variability was assessed by sequencing two regions of the mitochondrial genome (COI and Cytb) and by genotyping 12 microsatellite loci. The results showed that there was no population genetic structure for both mitochondrial and nuclear markers, indicating a low rate of inbreeding. The analyses suggest that gene flow occurs between mainland and island populations mediated by both females and males.
期刊介绍：
Apidologie is a peer-reviewed journal devoted to the biology of insects belonging to the superfamily Apoidea.
Its range of coverage includes behavior, ecology, pollination, genetics, physiology, systematics, toxicology and pathology. Also accepted are papers on the rearing, exploitation and practical use of Apoidea and their products, as far as they make a clear contribution to the understanding of bee biology.
Apidologie is an official publication of the Institut National de la Recherche Agronomique (INRA) and Deutscher Imkerbund E.V. (D.I.B.)
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