Mitochondrial DNA Intraspecific Variability in Sergentomyia minuta (Diptera: Psychodidae)

Journal of Medical Entomology
Jérôme DepaquitNicole Léger

Abstract

Recently, there has been growing interest in analysis of the geographical variation between populations of different Phlebotomus spp. and American sand flies by comparing the sequences of various genes. However, little is known about the genetic structure of the genus Sergentomyia França & Parrot. No study has been carried out on Sergentomyia minuta Rondani. Most authors recognize this as a species with a high degree of morphological polymorphism, and some suspect that there are two subspecies: Se. minuta minuta Rondani in Europe, having about 40 horizontal cibarial teeth (sticks aligned along a straight line in the cibarial cavity), and Se. minuta parroti Adler & Theodor in North Africa, having about 70 cibarial teeth. Here we analyzed phylogeographic patterns using cytochrome b (Cytb) and cytochrome C oxidase I mtDNA for 29 populations from 10 countries: Algeria, Cyprus, France (continental and Corsica), Greece (continental and Crete), Malta, Montenegro, Morocco, Portugal (continental and Atlantic Savage Islands), Spain, and Tunisia. We analyzed intra- and interpopulation patterns of genetic diversity. Our results from Bayesian inference showed a complex genetic structure of Se. minuta with four haplogroups including many dif...Continue Reading

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