Publication: Interspecific and sexual shape variation in the filariasis vectors Mansonia dives and Ma. bonneae
Issued Date
2011-12-01
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ISSN
15677257
15671348
15671348
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2-s2.0-82655177981
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Mahidol University
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SCOPUS
Bibliographic Citation
Infection, Genetics and Evolution. Vol.11, No.8 (2011), 2089-2094
Suggested Citation
Jiraporn Ruangsittichai, Chamnarn Apiwathnasorn, Jean Pierre Dujardin Interspecific and sexual shape variation in the filariasis vectors Mansonia dives and Ma. bonneae. Infection, Genetics and Evolution. Vol.11, No.8 (2011), 2089-2094. doi:10.1016/j.meegid.2011.10.002 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/11232
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Title
Interspecific and sexual shape variation in the filariasis vectors Mansonia dives and Ma. bonneae
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Abstract
In the South of Thailand, six Mansonia species are recorded as filariasis vectors, among which Ma. bonneae and Ma. dives. These two species are distributed in the same breeding place, mainly the swamp forest, but appear to be of problematic identification using traditional morphological characters. Because of the risk of wrong identification during epidemiological or biological studies, complementary techniques are needed to distinguish the two species.We used on the same field collected specimens both genetic (DNA barcoding) and phenetic (geometric morphometrics) techniques. Both methods converged to identify two separate entities in accordance with morphological differences and geographic origins. Shape divergence between species was more pronounced in males than in females. Notably, the amount of within species sexual shape dimorphism was much larger than shape divergence as recorded between species.In spite of these two species of Mansonia being evolutionary very close, simple DNA barcoding was resolutive. Geometric morphometrics, because it is a fast and low-cost procedure, appeared as an interesting complement to modern diagnostic techniques applied in medical entomology. It also was able to provide information relevant to the ecology of the two species. © 2011 Elsevier B.V.