Cuticular Hydrocarbons of the South American Fruit Fly Anastrepha fraterculus: Variability with Sex and Age

0385212 - ÚOCHB 2013 RIV US eng J - Článek v odborném periodiku
Vaníčková, Lucie - Svatoš, Aleš - Kroiss, J. - Kaltenpoth, M. - do Nascimento, R. R. - Hoskovec, Michal - Břízová, Radka - Kalinová, Blanka
Cuticular Hydrocarbons of the South American Fruit Fly Anastrepha fraterculus: Variability with Sex and Age.
Journal of Chemical Ecology. Roč. 38, č. 9 (2012), s. 1133-1142. ISSN 0098-0331. E-ISSN 1573-1561
Institucionální podpora: RVO:61388963
Klíčová slova: Anastrepha fratercules species complex * cuticular hydrocarbons * sex-specific differences * age-dependent production
Kód oboru RIV: CC - Organická chemie
Impakt faktor: 2.462, rok: 2012

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 GCxGC/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.
Trvalý link: http://hdl.handle.net/11104/0214545