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      Pterygodermatites ( Pterygodermatites) mexicana n. sp. (Nematoda: Rictulariidae), a parasite of Balantiopteryx plicata (Chiroptera) in Mexico

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          Abstract

          A new species of nematode, Pterygodermatites ( Pterygodermatites) mexicana n. sp., is described based on specimens recovered from the intestine of the gray sac-winged bat, Balantiopteryx plicata (Chiroptera, Emballonuridae), from the Biosphere Reserve “Sierra de Huautla” in the state of Morelos, Mexico. This is the second species in the genus described from bats in the New World, since most of the rictaluriids reported in these hosts belong to the closely related genus Rictularia Froelich, 1802. However, members of Rictularia possess only a single oesophageal tooth at the base of the buccal capsule, whereas in the current nematodes three conspicuous oesophageal teeth are present. They are therefore included in Pterygodermatites Wedl, 1861. The new species is characterized by the presence of 23 small denticles on the periphery of the buccal capsule and by the presence of 40 and 66 pairs of cuticular processes in males and females, respectively. Additionally, males possess 3–4 ventral precloacal fan-like processes, and the cuticular processes of females are divided into 40 pairs of comb-like and 26 pairs of spine-like processes; the vulva opens on the level of approximately pair 40. The dorsally directed stoma and the 40 prevulvar cuticular processes makes it difficult to place the species in any of the subgenera present in the New World, yet characters correspond with the diagnosis of Pterygodermatites ( Pterygodermatites) in the Mediterranean region and North Africa.

          Translated abstract

          Une nouvelle espèce de nématode, Pterygodermatites ( Pterygodermatites) mexicana n. sp., est décrite à partir de spécimens collectés de l'intestin de la chauve-souris Balantiopteryx plicata (Chiroptera, Emballonuridae), de la Réserve de la biosphère “Sierra de Huautla” dans l'État de Morelos, Mexique. C'est la deuxième espèce du genre décrite de chauves-souris du Nouveau Monde, puisque la plupart des rictulaires mentionnés dans ces hôtes appartiennent au genre proche Rictularia Froelich, 1802. Toutefois, les membres de Rictularia ne possèdent qu'une seule dent œsophagienne à la base de la capsule buccale, alors que dans les nématodes décrits ici trois dents œsophagiennes sont présentes et bien visibles. Ils sont donc inclus dans Pterygodermatites Wedl, 1861. La nouvelle espèce est caractérisée par la présence de 23 petits denticules sur la périphérie de la capsule buccale et de 40 et 66 paires de processus cuticulaires respectivement chez les mâles et les femelles. En outre, les mâles possèdent 3–4 processus précloacaux ventraux en éventails, et les processus cuticulaires des femelles sont divisés en 40 paires de processus en peigne et 26 paires de processus en épine; la vulve s'ouvre approximativement au niveau de la paire 40. Le stoma dirigé vers le dos et les 40 processus cuticulaires prévulvaires rendent difficile le placement de l’espèce dans l'un des sous-genres présents dans le Nouveau Monde, mais les caractères correspondent au diagnostic de Pterygodermatites ( Pterygodermatites) dans la région méditerranéenne et l’Afrique du Nord.

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          Pterygodermatites ( Multipectines) pluripectinata n. sp. (Spirurida: Rictulariidae), a nematode parasite of the crab-eating fox Cerdocyon thous (Linnaeus, 1766) from Caatinga shrubland, Brazil.

          In a parasitological survey of free-ranging Cerdocyon thous (Carnivora: Canidae) from Brazilian Caatinga shrubland, a new species of Pterygodermatites (Multipectines) was recovered from the small intestine of this host. Morphological analysis showed that P. (Multipectines) pluripectinata n. sp. is distinguished from all other congeneric species mainly by the numerous plate-like projections and male caudal morphology and spicular length. There are few records on the occurrence of this genus in Neotropical regions.
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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
              26 November 2013
              : 20
              : ( publisher-idID: parasite/2013/01 )
              Affiliations
              [1 ] Laboratorio de Parasitología de Animales Silvestres, Facultad de Ciencias Biológicas. Av. Universidad No. 1001, Col. Chamilpa C.P. 62210 Cuernavaca, Morelos México
              [2 ] Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Morelos, Av. Universidad No. 1001, Col. Chamilpa C.P. 62210 Cuernavaca, Morelos México
              [3 ] Department of Zoology, Southern Illinois University Carbondale, Illinois 62901-6501 USA
              [4 ] Facultad de Ciencias Agropecuarias, Universidad Autónoma del Estado de Morelos, Av. Universidad No. 1001, Col. Chamilpa C.P. 62210 Cuernavaca, Morelos México
              [5 ] Laboratorio de Sistemática y Morfología, Facultad de Ciencias Biológicas, Universidad Autónoma del Estado de Morelos. Av. Universidad No. 1001, Col. Chamilpa C.P. 62210 Cuernavaca, Morelos México
              Author notes
              Article
              parasite130062 10.1051/parasite/2013047
              10.1051/parasite/2013047
              3839224
              24267823
              © J.M. Caspeta-Mandujano 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.

              Page count
              Figures: 3, Tables: 0, Equations: 0, References: 14, Pages: 7
              Categories
              Research Article

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