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1 August 2012 Development of prey-specific predatory behavior in a jumping spider (Araneae: Salticidae)
Maciej Bartos, Katarzyna Szczepko
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We examined differences in predatory behavior between two age groups (newly hatched spiders vs. spiders over 12 weeks old) of Yllenus arenarius Menge 1868 (Araneae: Salticidae). The spiders hunted three prey taxa (leafhoppers, caterpillars and thrips) for which they possess pre-programmed predatory behavior. The aim of the study was to check the influence of age and experience on pre-programmed predatory behavior and predatory success. Age-dependent changes occurred in four aspects of predation: direction of approach, mode of approach, distance of attack and predatory success.

Maciej Bartos and Katarzyna Szczepko "Development of prey-specific predatory behavior in a jumping spider (Araneae: Salticidae)," The Journal of Arachnology 40(2), 228-233, (1 August 2012).
Received: 11 August 2011; Published: 1 August 2012
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