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Megaselia scalaris (Diptera: Phoridae): an opportunistic endoparasitoid of the endangered Mexican redrump tarantula, Brachypelma vagans (Araneae: Theraphosidae)

Por: Machkour M'Rabet, Salima. Doctora [autora].
Dor Roques, Ariane Liliane Jeanne [autora] | Hénaut, Yann [autor].
Tipo de material: Artículo
 en línea Artículo en línea Tema(s): Brachypelma vagans | Megaselia scalaris | Theraphosidae | ParasitismoTema(s) en inglés: Brachypelma vagans | Megaselia scalaris | Theraphosidae | ParasitismDescriptor(es) geográficos: Laguna Guerrero, Othón P. Blanco (Quintana Roo, México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Journal of Arachnology. volumen 43, número 1 (Apr. 2015), páginas 115-119. --ISSN: 1937-2396Número de sistema: 6636Resumen:
Inglés

Despite the importance of tarantulas in the areas of medicine and veterinary science, there is very little information on parasitoid-tarantula interactions. The present study describes the case of an endangered tarantula, Brachypelma vagans Ausserer 1875, infested by an endoparasitoid in the field. Using DNA barcoding, we identified the parasitoid as the phorid Megaselia scalaris. With more than 500 fly larvae inside the host, this particular infestation can be considered severe. The size range of the larvae indicates infestation by all three larval instars. We discuss the possible mechanism by which the parasitoid is attracted to the tarantula and make important recommendations regarding improvements in tarantula-rearing conditions. Finally, this case study exemplifies the efficiency of molecular technology for parasitoid identification.

Recurso en línea: http://www.bioone.org/doi/pdf/10.1636/B14-28.1
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Disponible para usuarios de ECOSUR con su clave de acceso

Despite the importance of tarantulas in the areas of medicine and veterinary science, there is very little information on parasitoid-tarantula interactions. The present study describes the case of an endangered tarantula, Brachypelma vagans Ausserer 1875, infested by an endoparasitoid in the field. Using DNA barcoding, we identified the parasitoid as the phorid Megaselia scalaris. With more than 500 fly larvae inside the host, this particular infestation can be considered severe. The size range of the larvae indicates infestation by all three larval instars. We discuss the possible mechanism by which the parasitoid is attracted to the tarantula and make important recommendations regarding improvements in tarantula-rearing conditions. Finally, this case study exemplifies the efficiency of molecular technology for parasitoid identification. eng

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