Cuticular hydrocarbons of the South American fruit fly Anastrepha fraterculus: 
variability with sex and age

Vaníčková, L.; Svatos, Ales; Kroiß, Johannes; Kaltenpoth, Martin; do Nascimento, R.R.; Hoskovec, M.; Břízová, R.; Kalinová, B.

doi:10.1007/s10886-012-0177-8

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Cuticular hydrocarbons of the South American fruit fly Anastrepha fraterculus: variability with sex and age

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Svatos, Ales
Research Group Mass Spectrometry, MPI for Chemical Ecology, Max Planck Society;

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Kroiß, Johannes
Max Planck Research Group Insect Symbiosis, MPI for Chemical Ecology, Max Planck Society;

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Kaltenpoth, Martin
Max Planck Research Group Insect Symbiosis, MPI for Chemical Ecology, Max Planck Society;

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Citation

Vaníčková, L., Svatos, A., Kroiß, J., Kaltenpoth, M., do Nascimento, R., Hoskovec, M., et al. (2012). Cuticular hydrocarbons of the South American fruit fly Anastrepha fraterculus: variability with sex and age. Journal of Chemical Ecology, 38, 1133-1142. doi:10.1007/s10886-012-0177-8.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000E-70BC-E

Abstract

Insect cuticular hydrocarbons are usually species-specific mixtures and may serve for species and gender recognition. They are, therefore, widely used in the chemotaxonomy and zoogeography of various insect taxa. In order to provide a basic study for further comparative analyses of cuticular hydrocarbon (CHC) profiles of cryptic species hidden within the South American fruit fly Anastrepha fraterculus complex (Diptera: Tephritidae), we analyzed the composition of the CHCs and their production with respect to age and sex in a laboratory population from Tucuman, Argentina. Several techniques of gas chromatography with mass spectrometric detection have been used in order to develop a suitable method for CHC identification, i.e., GC-MS in EI mode, GC-MS in CI mode, and GC×GC/TOFMS. Our analyses revealed a complex profile of aliphatic hydrocarbons in both males and females, consisting predominantly of n-alkanes, methyl-branched alkanes, as well as of alkenes and alkadienes. In young individuals (up to about 5 days after emergence), the CHC profiles were similar in males and females. However, in older flies, these profiles diverged and became clearly sex-specific. The temporal dynamics of the CHC patterns in both sexes were evaluated using multivariate exploratory techniques.