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dc.contributor.authorPolidori, Carloes_ES
dc.contributor.authorJorge García, Albertoes_ES
dc.contributor.authorNieves-Aldrey, J. L.es_ES
dc.identifier.citationComptes Rendus Biologies 335(4): 279-291 (2012)es_ES
dc.description.abstractDespite its potential value in phylogenetic and ecological studies, the morphology of antennal sensilla has rarely been compared quantitatively within the Apoidea. Here, through a scanning electron microscopy analysis, we provide an inventory of different types of antennal sensilla and compare their morphology across 10 species of predatory wasps (Crabronidae: Philanthinae) including species that hunt exclusively either on beetles or on bees to feed their larvae. A sensilla-free area was found on the apical flagellomer of all but two species, and its shape and size appear to be useful for separating Philanthini from Cercerini within the subfamily. A total of eight types of sensilla (sensilla placoidea, sensilla basiconica, two types of pit organs, sensilla coelocapitula and three types of sensilla trichoidea) were found in all species, and an additional rarer type (grooved peg sensilla) was found only in three bee-hunting species and for first time in the genus Cerceris. Certain morphological features confirmed the separation of the apoid wasps from the rest of the Apoidea (i.e., bees). A cluster analysis based on the sizes of the different types of sensilla suggested that, overall, sensilla morphology is not a useful taxonomic tool, and thus, other factors likely determine interspecific variability. One candidate factor is the prey type, given some differences in the presence, density, size and distribution of certain types of olfactory sensilla between beetle-hunters and bee-hunters. This hypothesis needs to be further tested quantitatively using a larger species set, more individuals per species, additional sensilla features, and a correction for phylogeny.es_ES
dc.description.sponsorshipThis research was supported by a fund from the SYNTHESYS Project (http://www.synthesys.info/), which is financed by the European Community Research Infrastructure Action under the FP7 ‘‘Capacities’’ Programme at the Museo Nacional de Ciencias Naturales (CSIC) (Madrid, Spain).es_ES
dc.description.sponsorshipFinancial support was also provided in part by the research projects funded by the Ministry of Science and Innovation (subprogram BOS) CGL2009-10111 and CGL-2010-15786.es_ES
dc.subjectSensilla sizees_ES
dc.subjectComparative morphologyes_ES
dc.subjectPrey selectiones_ES
dc.titleAntennal sensillar equipment in closely related predatory wasp species (Hymenoptera: Philanthinae) hunting for different prey typeses_ES
dc.title.alternativeÉquipement sensoriel des antennes dans des espèces proches de guêpes prédateurs (Hymenoptera: Philanthinae), qui chassent des proies différenteses_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.contributor.funderMinisterio de Ciencia e Innovación (España)es_ES
dc.contributor.funderEuropean Research Counciles_ES
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