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Host selection by a kleptoparasitic spider

Por: Hénaut, Yann. Doctor [autor].
Tipo de material: Artículo impreso(a) y electrónico Artículo impreso(a) y electrónico Tipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Arañas | Gasteracantha cancriformis | Verrucosa arenata | Leucauge mariana | Leucauge argyra | Argyrodes globosus | Cleptoparasitismo | ZoogeografíaTema(s) en inglés: Spiders | Gasteracantha cancriformis | Verrucosa arenata | Leucauge mariana | Leucauge argyra | Argyrodes globosus | Kleptoparasitism | ZoogeographyDescriptor(es) geográficos: Rosario Izapa, Tuxtla Chico (Chiapas, México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Journal of Natural History. volumen 34, número 5, (2000), páginas 747-753. --ISSN: 1464-5262Número de sistema: 54017Resumen:
Inglés

Argyrodes globosus (Keyserling, 1884) is a small kleptoparasite spider that steals prey from the web of web-building spiders. In coŒee plantations in the south of Mexico it was observed to parasitize ®ve species: Gasteracantha cancriformis (Linnaeus, 1785) and Verrucosa arenata (Walckenaer, 1841) (Araneidae), Leucauge mariana (Keyserling, 1881) and Leucauge venusta (Walckenaer, 1841) (morphologically indistinguishable species) and Leucauge argyra (White, 1841) (Tetragnathidae). G. cancriformis was more frequently parasitized than the other hosts. An analysis of web diameter for each host species indicated that for L. mariana/venusta, L. argyra and V. arenata the kleptoparasite was associated with webs of a certain size range (23±33 cm. diameter) although a far larger range of web sizes was available (17±50 cm. diameter). The average size of the web of G. cancriformis (~23 cm.) appeared to be close to the preferred size for the kleptoparasite and this, together with an apparent absence of host aggression, may explain the prevalence of A. globosus with this host. For the parasite, web size choice may involve a tradeoŒamong diverse factors including prey capture rate, ease of access to the web and aggressive behaviour by the host

Recurso en línea: https://doi.org/10.1080/002229300299390
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Disponible para usuarios de ECOSUR con su clave de acceso

Argyrodes globosus (Keyserling, 1884) is a small kleptoparasite spider that steals prey from the web of web-building spiders. In coŒee plantations in the south of Mexico it was observed to parasitize ®ve species: Gasteracantha cancriformis (Linnaeus, 1785) and Verrucosa arenata (Walckenaer, 1841) (Araneidae), Leucauge mariana (Keyserling, 1881) and Leucauge venusta (Walckenaer, 1841) (morphologically indistinguishable species) and Leucauge argyra (White, 1841) (Tetragnathidae). G. cancriformis was more frequently parasitized than the other hosts. An analysis of web diameter for each host species indicated that for L. mariana/venusta, L. argyra and V. arenata the kleptoparasite was associated with webs of a certain size range (23±33 cm. diameter) although a far larger range of web sizes was available (17±50 cm. diameter). The average size of the web of G. cancriformis (~23 cm.) appeared to be close to the preferred size for the kleptoparasite and this, together with an apparent absence of host aggression, may explain the prevalence of A. globosus with this host. For the parasite, web size choice may involve a tradeoŒamong diverse factors including prey capture rate, ease of access to the web and aggressive behaviour by the host eng

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