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Surface lipids of social wasp Polistes metricus Say and its nest and nest pedicel and their relation to nestmate recognition

In eight replicate laboratory tests where Polistes metricus adults were allowed to choose between their own nest, a second nest, and neither nest, they selected their own nest 66% of the observed time. When the surface hydrocarbons had been extracted from the nests, the wasps chose their own nest on...

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Bibliographic Details
Published in:Journal of chemical ecology 1990-07, Vol.16 (7), p.2229-2241
Main Authors: Espelie, K.E. (University of Georgia, Athens, GA), Wensel, J.W, Chang, G
Format: Article
Language:English
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Summary:In eight replicate laboratory tests where Polistes metricus adults were allowed to choose between their own nest, a second nest, and neither nest, they selected their own nest 66% of the observed time. When the surface hydrocarbons had been extracted from the nests, the wasps chose their own nest only 8% of the time, but after the hydrocarbons were reapplied to the surface of the respective nests, they selected their own nest 47% of the time. These changes are significant. The cuticular lipids were analyzed from individual P. metricus adult females collected from 13 colonies. Surface lipids were recovered from the paper and pedicels of their nests. Eighteen hydrocarbons were identified in these lipid fractions. The major components of the wasp cuticular lipids were n-heptacosane, n-nonacosane, methylhentriacontane, and methyltritriacontane. Factor analysis revealed that extracts of pedicels are all similar in composition, while cuticle and paper extracts vary, sometimes similarly according to colony identity
ISSN:0098-0331
1573-1561
DOI:10.1007/BF01026933