Volume 23, Number 1, 71-75, DOI: 10.1007/s10164-004-0129-z

Flexibility in the multi-modal courtship of a wolf spider, Schizocosa ocreata

Phillip W. Taylor, J. Andrew Roberts and George W. Uetz

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Abstract

Male Schizocosa ocreata wolf spiders court females with synchronous visual and seismic displays. We tested whether male S. ocreata modify their courtship in relation to light environment, and associated utility of the visual components. Males were generally more active and more likely to perform the major courtship element (lsquojerky tappingrsquo) when in the light. One courtship element (lsquoarchingrsquo) was only observed in the light while another (lsquovertical leg-extendrsquo) was only observed in the dark. Courtship in the dark retained lsquovisualrsquo components, suggesting spiders cannot disengage these components of multi-modal display even when superfluous. Once initiated, there was no evidence that performance rate or time spent in each courtship element differed in the light and in the dark.

Keywords  Behavioral flexibility - Courtship - Multi-modal - Schizocosa ocreata - Wolf spider

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