NDLI: Effects of prey–spider odour on intraspecific interactions of araneophagic jumping spiders

Content Provider	Springer Nature Link
Author	Cross, Fiona R. Jackson, Robert R.
Copyright Year	2011
Abstract	An important prediction from game theory is that the value of a resource will influence the level to which an animal is willing to escalate during conflict with conspecific rivals. Here we use this prediction as the rationale for experiments aimed at determining whether escalation decisions made by predators are influenced by the presence of preferred prey. The predators we use are adult individuals of Portia fimbriata, a jumping-spider (Salticidae) species from Queensland (Australia). P. fimbriata is known to prefer other salticid species as prey and can detect the odour of Jacksonoides queenslandicus, this being an especially common salticid species in the Queensland habitat. Here we show that, for P. fimbriata females, the odour of J. queenslandicus primes escalation of vision-based conflict. However, for P. fimbriata males, no comparable effect was found. These findings suggest intrasexual competition for prey is more important to females than to males.
Starting Page	321
Ending Page	327
Page Count	7
File Format	PDF
ISSN	02890771
Journal	Journal of Ethology
Volume Number	29
Issue Number	2
e-ISSN	14395444
Language	English
Publisher	Springer Japan
Publisher Date	2011-01-12
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Game theory Olfaction Predation Priming Salticidae Animal Ecology Zoology Evolutionary Biology Neurosciences Behavioural Sciences
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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