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Polistes dominulus (Hymenoptera, Vespidae) larvae show different cuticular patterns according to their sex: workers seem not use this chemical information.
- Source :
-
Chemical senses [Chem Senses] 2009 Mar; Vol. 34 (3), pp. 195-202. Date of Electronic Publication: 2009 Jan 15. - Publication Year :
- 2009
-
Abstract
- During reproductive phase, larvae of male and female are intermingled in nest of social wasps. Workers care for and feed larvae that gives them an opportunity to bias investment with respect to sex, or even to kill some larvae, if they can distinguish between immature males and females. Cuticular hydrocarbon (CHC) mixtures are the most studied cues for species, nestmate, and caste recognition in social Hymenoptera. In this study, we investigate the paper wasp Polistes dominulus to see if male and female larvae show different patterns of CHCs and if workers are able to discriminate between male and female larvae on this basis. We performed gas chromatography-mass spectrometry analysis on cuticular extracts of larvae, and then we genotyped them to assign sex. We found sex-based variation in CHC-profiles sufficient for discrimination. However, our behavioral assays do not support the view that adults discriminate between male and female larvae within nests.
- Subjects :
- Animals
Cues
Female
Gas Chromatography-Mass Spectrometry
Hydrocarbons chemistry
Larva anatomy & histology
Larva chemistry
Larva physiology
Male
Odorants analysis
Sex Factors
Wasps chemistry
Animal Communication
Feeding Behavior physiology
Hydrocarbons analysis
Wasps anatomy & histology
Wasps physiology
Subjects
Details
- Language :
- English
- ISSN :
- 1464-3553
- Volume :
- 34
- Issue :
- 3
- Database :
- MEDLINE
- Journal :
- Chemical senses
- Publication Type :
- Academic Journal
- Accession number :
- 19147809
- Full Text :
- https://doi.org/10.1093/chemse/bjn079