Morphometric and morphological variation between two different populations of Phlebotomus major s.l. from endemic and non‐endemic foci of visceral leishmaniasis in Iran |
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Authors: | Mehdi Badakhshan Javid Sadraei Vahideh Moin‐Vaziri |
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Institution: | 1. Department of Medical Parasitology and Entomology, College of Medical Sciences, Tarbiat Modares University, Tehran, Iran;2. Department of Parasitology and Mycology, School of Medicine, Shahid Beheshti University of Medical Sciences. Tehran, Iran |
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Abstract: | Populations of Phlebotomus major were examined in two endemic and nonendemic foci of visceral leishmaniasis in Iran. Based on the shape of the aedeagus and ventrally located hairs of coxite and pharyngeal armatures, two morphotypes were found sympatrically in the endemic area of Borazjan. Significant differences in morphometric survey were observed in at least 11 measured characters. The aedeagus of the non‐endemic Miyandoab morphotype, and also of a few specimens from Borazjan, is completely parallel throughout its length with a slightly expanded end. Ventrally located hairs of the middle coxite were longer and more compact. It is close morphologically to P. major neglectus (P. neglectus), which was recently recorded from Iran. It is also morphologically similar to P. notus, which has not yet been reported from Iran and needs further investigation. The aedeagus of the morphotype occurring only in Borazjan is narrower in the middle and the hairs are closer to the base of the coxite and are shorter and more outspread, which makes it similar to P. major krimensis or P. neglectus. The two morphotypes occurring sympatrically in Borazjan do not appear to be subspecies and it may be premature to propose them as separate species. Further investigation is needed to clarify the actual status of P. major s. l. in Iran. |
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Keywords: | Phlebotomus major s l morphometry visceral leishmaniasis Iran |
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