Cuticular hydrocarbons of Drosophila birchii and D-serrata: Identification and role in mate choice in D-serrata

Howard, R. W., Jackson, L. L., Banse, H. and Blows, M. W. (2003) Cuticular hydrocarbons of Drosophila birchii and D-serrata: Identification and role in mate choice in D-serrata. Journal of Chemical Ecology, 29 4: 961-976. doi:10.1023/A:1022992002239


Author Howard, R. W.
Jackson, L. L.
Banse, H.
Blows, M. W.
Title Cuticular hydrocarbons of Drosophila birchii and D-serrata: Identification and role in mate choice in D-serrata
Journal name Journal of Chemical Ecology   Check publisher's open access policy
ISSN 0098-0331
Publication date 2003-01-01
Sub-type Article (original research)
DOI 10.1023/A:1022992002239
Volume 29
Issue 4
Start page 961
End page 976
Total pages 16
Place of publication New York
Publisher Kluwer Academic/Plenum Publishing
Language eng
Subject C1
270799 Ecology and Evolution not elsewhere classified
779999 Other
Abstract The cuticular hydrocarbon compositions of two sympatric species of Australian Drosophila in the montium subgroup of the melanogaster group that use cuticular hydrocarbons in mate recognition have been characterized. Drosophila birchii has 34 components in greater than trace amounts, with a carbon number range of C-20 to C-33. Drosophila serrata has 21 components above trace level and a carbon number range of C-24 to C-31. These two species share eight hydrocarbon components, with all but two of them being monoenes. For both species, the (Z)-9-monoenes are the predominant positional isomer. The hydrocarbons of D. birchii are n-alkanes, n-alkenes (Z)-5-, (Z)-7-, (Z)-9-, and (Z)-11-), low to trace levels of homologous (Z,Z)-7,11- and (Z,Z)-9,13-dienes; and trace amounts of (Z,Z)-5,9- C-25:2, a major component of D. serrata. Only one methyl branched hydrocarbon was detected (2-methyl C-28), and it occurred at very low levels. The hydrocarbons of D. serrata are dominated by a homologous series of (Z,Z)-5,9-dienes, and notably, are characterized by the apparent absence of n-alkanes. Homologous series of (Z)-5-, (Z)-7-, and (Z)-9- alkenes are also present in D. serrata as well as 2-methyl alkanes. Drosophila serrata females display strong directional mate choice based on male cuticular hydrocarbons and prefer D. serrata males with higher relative abundances of the 2-methyl alkanes, but lower relative abundances of (Z,Z)-5,9- C-24:2 and (Z)-9-C-25:1.
Keyword Biochemistry & Molecular Biology
Ecology
Hydrocarbons
Pheromones
Sexual Selection
Sibling Species
Mass Spectra
Dienes
Monoenes
2-methylalkanes
Premating Isolation
Recognition
Melanogaster
Mojavensis
Evolution
Courtship
Genetics
Pseudoobscura
Permeability
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 05:05:55 EST