A spider that feeds indirectly on vertebrate blood by choosing female mosquitoes as prey

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dc.contributor.authorJackson, R.R.
dc.contributor.authorNelson, X.J.
dc.contributor.authorSune, G.O.
dc.date.accessioned2014-10-20T20:37:40Z
dc.date.available2014-10-20T20:37:40Z
dc.date.issued2005en
dc.description.abstractSpiders do not feed directly on vertebrate blood, but a small East African jumping spider (Salticidae), Evarcha culicivora, feeds indirectly on vertebrate blood by choosing as preferred prey female mosquitoes that have had recent blood meals. Experiments show that this spider can identify its preferred prey by sight alone and by odor alone. When presented with two types of size-matched motionless lures, E. culicivora consistently chose blood-fed female mosquitoes in preference to nonmosquito prey, male mosquitoes, and sugar-fed female mosquitoes (i.e., females that had not been feeding on blood). When the choice was between mosquitoes of different sizes (both blood- or both sugar-fed), small juveniles chose the smaller prey, whereas adults and larger juveniles chose the larger prey. However, preference for blood took precedence over preference for size (i.e., to get a blood meal, small individuals took prey that were larger than the preferred size, and larger individuals took prey that were smaller than the preferred size). When presented with odor from two prey types, E. culicivora approached the odor from blood-fed female mosquitoes significantly more often the odor of the prey that were not carrying blood.en
dc.identifier.citationJackson, R.R., Nelson, X.J., Sune, G.O. (2005) A spider that feeds indirectly on vertebrate blood by choosing female mosquitoes as prey. Proceedings of the National Academy of Science (USA), 102, pp. 15155-15160.en
dc.identifier.urihttp://hdl.handle.net/10092/9714
dc.language.isoen
dc.publisherUniversity of Canterbury. Biological Sciencesen
dc.rights.urihttps://hdl.handle.net/10092/17651en
dc.subjectpredationen
dc.subjectprey choiceen
dc.subjectSalticidaeen
dc.subjectbehaviouren
dc.subject.anzsrcFields of Research::31 - Biological sciences::3109 - Zoology::310901 - Animal behaviouren
dc.subject.anzsrcFields of Research::31 - Biological sciences::3109 - Zoology::310913 - Invertebrate biologyen
dc.titleA spider that feeds indirectly on vertebrate blood by choosing female mosquitoes as preyen
dc.typeJournal Article
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