Antennal sensillar equipment in closely related predatory wasp species (Hymenoptera: Philanthinae) hunting for different prey types

Comptes rendus biologies
Carlo PolidoriJosé L Nieves-Aldrey

Abstract

Despite 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...Continue Reading

References

Feb 4, 2003·Memórias do Instituto Oswaldo Cruz·A L Carbajal de la Fuente, S Catalá
Jun 2, 2004·Microscopy Research and Technique·Maartje A K BleekerLouise E M Vet
May 5, 2007·Die Naturwissenschaften·Johannes SpaetheJürgen Tautz
Jan 10, 2012·Micron : the International Research and Review Journal for Microscopy·Gerónimo L GalvaniBeatriz P Settembrini

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Citations

Aug 30, 2013·Microscopy and Microanalysis : the Official Journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·José TormosCarlo Polidori
Oct 6, 2021·Scientific Reports·Agnieszka Nowińska, Jolanta Brożek

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