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      Pterygodermatites ( Mesopectines) quentini (Nematoda, Rictulariidae), a parasite of Praomys rostratus (Rodentia, Muridae) in Mali: scanning electron and light microscopy Translated title: Pterygodermatites ( Mesopectines) quentini (Nematoda, Rictulariidae), parasite de Praomys rostratus (Rodentia, Muridae) au Mali : microscopie électronique à balayage et optique

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          Abstract

          Pterygodermatites (Mesopectines) quentini n. sp. (Nematoda, Rictulariidae) is described from the murine host Praomys rostratus in the south of the Republic of Mali. It differs from other species of the subgenus by the morphology of the head, which bears four simple cephalic papillae and a nearly axial oral opening, the number of caudal papillae, the number of precloacal cuticular formations, unequal spicules and the ratio of spicule lengths/body length. The use of scanning electron microscopy in combination with conventional light microscopy enabled us to give a detailed description of the morphological characters of this new species.

          Translated abstract

          Pterygodermatites (Mesopectines) quentini n. sp. (Nematoda, Rictulariidae) est décrit du murinae Praomys rostratus dans le Sud de la République Malienne. Il diffère des autres espèces du sous-genre par la morphologie de sa tête, qui présente quatre papilles céphaliques simples et une ouverture orale pratiquement axiale, le nombre de papilles caudales, le nombre de formations cuticulaires précloacales et une inégalité des spicules et du ratio longueur des spicules/longueur du corps. L’utilisation de la microscopie électronique à balayage, ajoutée à celle de la microscopie optique conventionnelle, nous a permis de décrire avec précision les caractères morphologiques de cette nouvelle espèce.

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          [Two new Rictularia (Nematoda, Thelaziidae) of Equatorial Africa].

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            Pterygodermatites (Mesopectines) senegalensis n. sp. (Nematoda, Rictulariidae), a parasite of Mastomys huberti (Rodentia, Muridae) in Senegal.

            Pterygodermatites (Mesopectines) senegalensis n. sp. (Nematoda: Rictulariidae) is described from Mastomys huberti in Senegal. It differs from other species of the subgenus by the morphology of the head, which exhibits 4 simple cephalic papillae and a nearly axial buccal opening, the length of the spicules, the number of precloacal cuticular formations, and the absence of cephalic apophyses.
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              Scanning electron microscopy of the rare nematode species Pterygodermatites bovieri (Nematoda:Rictatuliriidae), a parasite of bats.

              External morphology of the nematode Pterygodermatites bovieri (Blanchard, 1886), a very rare parasite of bats in the Palaearctic region, was studied by scanning electron microscopy. Special attention was paid to the cephalic end structure and cuticular armament, which are of great systematic importance in this group of nematodes. The mouth opening of P. bovieri is subterminal and oriented dorsally. Numerous sclerotized denticles, arranged in two rows, are situated in the buccal cavity around the mouth opening. They are better developed in its ventral part. In females there are 12-14 ventral denticles. Cephalic papillae are arranged in two rows: internal (six papillae--two dorsal, two lateral and two ventral) and external (four papillae). Amphids are small, situated close to lateral, cephalic papillae of the internal row. Males possess 40-41 cuticular combs in each ventro-lateral plate row, and, in addition, a short row of four ventral, unpaired precloacal fans. Females in our material possessed 68 cuticular elements represented by combs and spines, in each row. Changes of the cuticular elements shape along the nematode body length are described. Results of SEM observations are compared with previous descriptions of P. bovieri based on the light microscopical observations.
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                Author and article information

                Journal
                Parasite
                Parasite
                parasite
                Parasite
                EDP Sciences
                1252-607X
                1776-1042
                2013
                12 September 2013
                : 20
                : ( publisher-idID: parasite/2013/01 )
                : 30
                Affiliations
                [1 ] Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar BP 5055 Dakar Senegal
                [2 ] CNRS UMR 6134 SPE, Parasites and Mediterranean Ecosystems Laboratory, University of Corsica Pascal Paoli 20250 Corte France
                [3 ] CBGP UMR IRD-INRA-CIRAD-Montpellier SupAgro, IRD Dakar Senegal
                Author notes
                Article
                parasite130039 10.1051/parasite/2013032
                10.1051/parasite/2013032
                3770210
                24025692
                7f73a2c7-3156-4709-b6b3-9fa81e77e99e
                © M. Diouf et al., published by EDP Sciences, 2013

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 06 June 2013
                : 30 August 2013
                Page count
                Figures: 3, Tables: 1, Equations: 0, References: 11, Pages: 6
                Categories
                Research Article

                parasitic nematode,pterygodermatites,mesopectines,rodent,mali,sem

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