Cuticular hydrocarbons corroborate the distinction between lowland and highland Natal fruit fly (Tephritidae, Ceratitis rosa) populations
| Autor: | Lucie Vaníčková, Antonio Pompeiano, Radka Břízová, Sunday Ekesi, Marc De Meyer |
|---|---|
| Rok vydání: | 2015 |
| Předmět: |
Species complex
Insecta Arthropoda Range (biology) TephritidaeAnimalia rosa Tephritidae Botany Animalia Ceratitis integrative taxonomy Ecology Evolution Behavior and Systematics cryptic species biology Diptera Ceratitis rosa GC×GC/MS Interspecific competition biology.organism_classification chemotaxonomy Taxon Biological species Chemotaxonomy Animal Science and Zoology Research Article |
| Zdroj: | ZooKeys 540: 507-524 ZooKeys |
| ISSN: | 1313-2970 1313-2989 |
| Popis: | The cuticular hydrocarbons (CHs) and morphology of two Ceratitis rosa Karsch (Diptera: Tephritidae) populations, putatively belonging to two cryptic taxa, were analysed. The chemical profiles were characterised by two-dimensional gas chromatography with mass spectrometric detection. CHs of C. rosa that originated from the lowlands and highlands of Kenya comprised of n-alkanes, monomethylalkanes, dimethylalkanes and unsaturated hydrocarbons in the range of the carbon backbone from C14 to C37. Hydrocarbons containing C29, C31, C33 and C35 carbon atoms predominated in these two populations. 2-Methyltriacontane was the predominant compound in both populations. Quantitative differences in the distribution of hydrocarbons of different chain lengths, mainly the C22, C32, C33 and C34 compounds of these two populations, were observed despite indistinct qualitative differences in these hydrocarbons. Morphological analyses of male legs confirmed that the flies belong to different morphotypes of C. rosa previously labelled as R1 and R2 for lowland and highland populations, respectively. A statistical analysis of the CH compositions of the putative R1 and R2 species showed distinct interspecific identities, with several CHs specific for each of the lowland and highland populations. This study supports a hypothesis that the taxon C. rosa consists of at least two biological species. |
| Databáze: | OpenAIRE |
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