HUNTING BEHAVIOR OF FREE-LIVING SPIDERS | Vestnik Tomskogo gosudarstvennogo universiteta. Biologiya - Tomsk State University Journal of Biology. 2009. № 4 (8).

HUNTING BEHAVIOR OF FREE-LIVING SPIDERS

The peculiarities of feeding behavior of free-living spiders (Lycosidae,Salticidae, Thomisidae) were studied experimentally. Great differences in hunting behaviorof representatives of these families were established, which is connected with differentvisual abilities and their activity. Jumping-spiders are the most active food consumersof all Siberian spider species of studied families, wolf-spiders and crab-spiders beingless voracious. It was found, that spiders Evarcha and Marpisa have good binocular visionand are able to watch their prey at a distance of 8 and 12 cm respectively and jumpto catch their prey at a distance of 4 and 8 cm. Wolf-spiders (Lycosidae) do not jump, butaccurately determine the place where their prey sits and quickly jump to catch it from thedistance of up to 3 cm from any side. Crab-spiders can stalk their prey but they wait forthe prey to touch any of its legs. This being done, crab-spiders make a grab.

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Keywords

vision, prey model, feeding behavior, crab-spiders, jumping-spiders, wolf-spiders, модель жертвы, пищевое поведение, паук-скакунчик, паук-бокоход, паук-волк

Authors

Name	Organization	E-mail
Romanenko Vladimir N.	Biological Institute of Tomsk State University	insect@bio.tsu.ru, vnikiforych@sibmail.com
Cheredova Varvara V.	Biological Institute of Tomsk State University	insect@bio.tsu.ru

Всего: 2

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