Third pair of legs is a key feature for eliciting female receptivity in the road tarantula spider Eupalaestrus weijenberghi (Araneae: Theraphosidae)

Using the road tarantula Eupalaestrus weijenberghi (Thorell 1894), we tested the importance of the third pair of legs in male courtship behavior. Our results showed that the third pair of legs is essential for males to elicit female sexual receptivity. Males with their second pair of legs immobilize...

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Veröffentlicht in:The Journal of arachnology 2013-08, Vol.41 (2), p.213-214
Hauptverfasser: Baruffaldi, Luciana, Perafán, Carlos, Perdomo, Cintya, de Oca, Laura Montes, Pérez-Miles, Fernando, Costa, Fernando G.
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Sprache:eng
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Zusammenfassung:Using the road tarantula Eupalaestrus weijenberghi (Thorell 1894), we tested the importance of the third pair of legs in male courtship behavior. Our results showed that the third pair of legs is essential for males to elicit female sexual receptivity. Males with their second pair of legs immobilized elicited receptive responses from females, but males with the third legs immobilized did not. The potential role of the third pair of legs in the generation and/or transmission of seismic signals via the substrate is discussed.
ISSN:0161-8202
1937-2396
DOI:10.1636/Hi11-58.1