Analyses of volatiles produced by the African fruit fly species complex (Diptera, Tephritidae)

ZooKeys
Radka BřízováBlanka Kalinová

Abstract

Ceratitis fasciventris, Ceratitis anonae and Ceratitis rosa are polyphagous agricultural pests originating from the African continent. The taxonomy of this group (the so-called Ceratitis FAR complex) is unclear. To clarify the taxonomic relationships, male and female-produced volatiles presumably involved in pre-mating communication were studied using comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry (GC×GC-TOFMS) followed by multivariate analysis, and gas chromatography combined with electroantennographic detection (GC-EAD). GC×GC-TOFMS analyses revealed sex specific differences in produced volatiles. Male volatiles are complex mixtures that differ both qualitatively and quantitatively but share some common compounds. GC-EAD analyses of male volatiles revealed that the antennal sensitivities of females significantly differ in the studied species. No female volatiles elicited antennal responses in males. The results show clear species-specific differences in volatile production and provide complementary information for the distinct delimitation of the putative species by chemotaxonomic markers.

References

Oct 24, 2001·Archives of Insect Biochemistry and Physiology·F Lu, P E Teal
Dec 3, 2005·Molecular Phylogenetics and Evolution·Norman B Barr, Bruce A McPheron
Jan 6, 2007·International Journal of Biological Sciences·Allen W Olmstead, Gerald A LeBlanc
Aug 30, 2008·The Journal of Experimental Biology·G P C Nagaraju, D W Borst
Jun 30, 2012·Journal of Agricultural and Food Chemistry·Lucie VaníčkováBlanka Kalinová
Feb 1, 1992·Journal of Chemical Ecology·J R RoccaM A Battiste
Jan 29, 2014·Journal of Natural Products·Peter E A TealVerena U Lietze
Apr 29, 2015·Journal of Chemical Ecology·Leopoldo Cruz-LópezJulio C Rojas

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Methods Mentioned

BETA
PCA

Software Mentioned

Syntech GC - EAD
CANOCO

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