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      LARVAS DE DIGENEA EN Melanoides tuberculata (GASTROPODA: THIARIDAE) EN MEDELLÍN, COLOMBIA Translated title: Larval stages of digenea from Melanoides tuberculata (Gastropoda: Thiaridae) in Medellín, Colombia

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          Abstract

          Se describen las larvas de digeneos que se obtuvieron en Melanoides tuberculata (Gastropoda: Thiaridae), molusco dulceacuícola del que se colectaron 125 especímenes en el lago del Jardín Botánico Joaquín Antonio Uribe de Medellín. En el laboratorio se individualizaron y se estimuló la emisión cercariana con una fuente luminosa. El 9,6 % de los caracoles emitió cercarias. Los moluscos emisores se sacrificaron para obtener los demás estadios larvarios. Las larvas se montaron al microscopio, se midieron y luego se dibujaron. Los caracteres morfológicos permitieron establecer la presencia de Centrocestus formosanus (Heterophyidae) y de dos Philophthalmidae. Uno de estos es primer registro para Colombia. Se confirma la sensibilidad de M. tuberculata a infecciones por digeneos, así como la especificidad de los filoftálmidos por moluscos hospedadores de la superfamilia Cerithioidea.

          Translated abstract

          The larvae of two trematodes found in the freshwater mollusk Melanoides tuberculata (Gastropoda: Thiaridae) are described. 125 snails from the Medellin’s Botanical Garden Joaquín Antonio Uribe were collected. In the laboratory, each individual was placed alone and stimulated with light in order to have cercaria emission. 9.6% of the snails released cercariae. These were separated in three morphologies. From each one, 15 individuals were measured and drawn. Photographs were taken. Based on their morphological characteritics the presence of Centrocestus formosanus (Heterophyidae) was determined. The other two morphologies were classified in the family Philophthalmidae. One of them constitutes the first register for Colombia. The sensibility of M. tuberculata to infections by digeneans, and the specificity of the family Philophthalmidae to mollusk hosts of the superfamily Cerithioidea are confirmed

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          Most cited references 20

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          The Trematodes

           S. Schell,  SC Schell (1970)
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            Cercariae of a species of Philophthalmus detected in a freshwater snail, Semisulcospira libertina, in Japan.

             Misako Urabe (2005)
            Cercariae belonging to the genus Philophthalmus (Digenea: Philophthalmidae) were detected in a freshwater snail Semisulcospira libertina collected from Innai Town, Oita Prefecture, Kyusyu, Japan. This is the first record of the cercaria of this genus from East Asia and from Semisulcospira. Daughter rediae and cercariae are briefly described and morphologically compared with similar but unidentified ones reported from Japan. Cercariae were found encysting on the surface of the bottom of the container and metamorphosed into a flask-like metacercaria characteristic of Philophthalmus.
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              Tarebia granifera and Melanoides tuberculata in Texas

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                abc
                Acta Biológica Colombiana
                Acta biol.Colomb.
                Universidad Nacional de Colombia, Facultad de Ciencias, Departamento de Biología (Bogotá )
                0120-548X
                April 2009
                : 14
                : 1
                : 135-142
                Affiliations
                [1 ] Universidad de Antioquia Colombia
                [2 ] Universidad de Antioquia Colombia
                Article
                S0120-548X2009000100008

                http://creativecommons.org/licenses/by/4.0/

                Product
                Product Information: SciELO Colombia
                Categories
                BIOLOGY

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