Chemical sex recognition in the harvestman Discocyrtus prospicuus (Arachnida: Opiliones)

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dc.citation.issue3
dc.citation.volume20
dc.contributor.authorFernandes, Nathalia S. [UNIFESP]
dc.contributor.authorStanley, Estefania
dc.contributor.authorCosta, Fernando G.
dc.contributor.authorToscano-Gadea, Carlos A.
dc.contributor.authorWillemart, Rodrigo H. [UNIFESP]
dc.coverageHeidelberg
dc.date.accessioned2020-08-04T13:40:10Z
dc.date.available2020-08-04T13:40:10Z
dc.date.issued2017
dc.description.abstractSeveral arachnid species use chemicals to detect sexual partners. In harvestmen, there are evidences that chemicals may play a role in intraspecific communication. Using the behavior of Discocyrtus prospicuus (Holmberg 1876), whose males expose the penis to females before they engage in mating posture, we tested if males detect females by contact chemoreception (chemicals left on the substrate) and if males detect females by olfaction. First, we exposed males to three experimental groups, where males had to choose between two substrates: female chemicals/blank controlen
dc.description.abstractmale chemicals/blank controlen
dc.description.abstractfemale/male chemicals. Then, we gave males access to volatiles of males, females, and control simultaneously. We predicted that males would expose the penis when approaching volatiles and chemicals deposited on the substrate by females. We also tested if males spent more time close to the source of female volatiles and on the substrate with female chemicals and if males tapped the substrate with female chemicals for more time than the others. Finally, we put males and females together to observe if males would expose the penis upon touching the female's cuticle. Most of our predictions were not supported, though males did tap for more time when exposed to female cues instead of male cues and exposed the penis in 70% of the observations when interacting with the female but only after touching her. Our data does not support olfaction as a way to detect females and corroborate the idea that contact chemicals, either on the substrate or on female's cuticle, play an important role in the detection and recognition of the opposite sex. This is the first evidence in harvestmen that males may react differently to female/male chemicals.en
dc.description.affiliationUniv Fed Sao Paulo, Posgrad Ecol & Evolucao, Rua Prof Artur Riedel 275, BR-09972270 Diadema, SP, Brazil
dc.description.affiliationUniv Sao Paulo, LESCA, Escola Artes Ciencias & Humanidades, Ave Arlindo Bettio 1000, BR-03828000 Sao Paulo, SP, Brazil
dc.description.affiliationInst Invest Biol Clemente Estable, Lab Etol Ecol & Evoluc, Ave Italia 3318, Montevideo 11600, Uruguay
dc.description.affiliationUniv Sao Paulo, Inst Biociencias, Posgrad Zool, Rua Matao 321, BR-05508090 Sao Paulo, SP, Brazil
dc.description.affiliationUnifespUniv Fed Sao Paulo, Posgrad Ecol & Evolucao, Rua Prof Artur Riedel 275, BR-09972270 Diadema, SP, Brazil
dc.description.sourceWeb of Science
dc.description.sponsorshipFAPESP
dc.description.sponsorshipIDFAPESP: 2010/00915-0
dc.description.sponsorshipIDFAPESP: 2015/01815-9
dc.format.extent215-221
dc.identifierhttp://dx.doi.org/10.1007/s10211-017-0264-5
dc.identifier.citationActa Ethologica. Heidelberg, v. 20, n. 3, p. 215-221, 2017.
dc.identifier.doi10.1007/s10211-017-0264-5
dc.identifier.issn0873-9749
dc.identifier.urihttps://repositorio.unifesp.br/handle/11600/57334
dc.identifier.wosWOS:000410141600003
dc.language.isoeng
dc.publisherSpringer Heidelberg
dc.relation.ispartofActa Ethologica
dc.rightsAcesso restrito
dc.subjectChemical communicationen
dc.subjectPheromoneen
dc.subjectCourtshipen
dc.subjectLaniatoresen
dc.subjectGonyleptidaeen
dc.titleChemical sex recognition in the harvestman Discocyrtus prospicuus (Arachnida: Opiliones)en
dc.typeArtigo
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