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Vibrations: Their Signal Function for a Spider Kleptoparasite

Fritz Vollrath
Science
New Series, Vol. 205, No. 4411 (Sep. 14, 1979), pp. 1149-1151
Stable URL: http://www.jstor.org/stable/1748062
Page Count: 3
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Vibrations: Their Signal Function for a Spider Kleptoparasite
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Abstract

The stealing behavior of Argyrodes elevatus suggests that this kleptoparasitic spider monitors the movements and the hunting success of its web-building host. Wrapping of prey by the host regularly elicits raids from the kleptoparasite. The prey-catching activities of the host generate vibrations that were recorded with a position-sensing photodiode. The recordings indicated that wrapping movements produce a characteristic pattern of vibrations.

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