Artículos de revistas
Collective Prey Capture And Feeding Behaviours Of Anelosimus Jabaquara Levi 1956 (araneae: Theridiidae)
Registro en:
Behaviour. , v. 139, n. 5, p. 573 - 584, 2002.
57959
10.1163/15685390260136708
2-s2.0-0036590189
Autor
De Oliveira Gonzaga M.
Vasconcellos-Neto J.
Institución
Resumen
In this study we report on the predatory behaviour of Anelosimus jabaquara considering the frequency of bites in each prey body part during the immobilization phase, the proportion of the consumption time expended in each of these parts and the relative participation on capture and feeding processes by spiders of different body sizes. Generally, few individuals actively take part in prey immobilization events, biting mostly on fly's legs (body segments which promote vibrations strong enough to attract spiders, but not to dissuade attacks). However, many spiders usually take part in the consumption of this medium size prey item. During the consumption phase appendages were rarely used, probably due to the higher nutritional value and biomass availability of central body segments (thorax, abdomen and head). 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