Sex pheromone of tomato fruit borer, Neoleucinodes elegantalis

Five candidate pheromone components were identified by analyzing pheromone gland extracts by gas chromatography (GC), coupled GC-electroantennographic detection (EAD), and coupled GC-mass spectrometry (MS) : (E)-11-hexadecenol(E11-16 : OH), (Z)-11-hexadecenol (Z11-16 : OH), (E)-11-hexadecenal, (E)-1...

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Bibliographic Details
Published in:Journal of chemical ecology 2001-10, Vol.27 (10), p.2097-2107
Main Authors: CABRERA, Aivlé, EIRAS, Alvaro E, GRIES, Gerhard, GRIES, Regine, URDANETA, Neudo, MIRAS, Beatriz, BADJI, Cesar, JAFFE, Klaus
Format: Article
Language:English
Subjects:
Aldehydes - chemistry
Aldehydes - isolation & purification
Aldehydes - pharmacology
Animal and plant ecology
Animal, plant and microbial ecology
Animals
Autoecology
Baits
Biological and medical sciences
Chemoreceptor Cells
Electrophysiology
Female
Field study
Field tests
Fundamental and applied biological sciences. Psychology
Gas chromatography
Gas Chromatography-Mass Spectrometry
Lepidoptera
Male
Mass spectrometry
Movement
Neoleucinodes elegantis
Pest control
Pheromones
Protozoa. Invertebrata
Pyralidae
Sex Attractants - chemistry
Sex Attractants - isolation & purification
Sex Attractants - pharmacology
Tomatoes
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Summary:Five candidate pheromone components were identified by analyzing pheromone gland extracts by gas chromatography (GC), coupled GC-electroantennographic detection (EAD), and coupled GC-mass spectrometry (MS) : (E)-11-hexadecenol(E11-16 : OH), (Z)-11-hexadecenol (Z11-16 : OH), (E)-11-hexadecenal, (E)-11-hexadecenyl acetate, and (Z)-3,(Z)-6,(Z)-9-tricosatriene (Z3,Z6,Z9-23 : Hy). In electroantennogram (EAG) recordings, synthetic E11-16 : OH elicited stronger antennal responses at low doses than other candidate pheromone components. Field tests demonstrated that synthetic E11-16 : OH as a trap bait was effective in attracting males, whereas addition of Z11-16 : OH inhibited the males' response. Z3,Z6,Z9-23 : Hy strongly enhanced attractiveness of E11-16 : OH, but was not attractive by itself. A pheromone blend with synergistic behavioral activity of an alcohol (E11-16 : OH) and hydrocarbon (Z3,Z6,Z9-23 : Hy) component is most unusual in the Lepidoptera. The synthetic two-component pheromone is approximately 60 times more attractive than the female-produced blend and might facilitate the control of this pest.
ISSN:0098-0331
1573-1561
DOI:10.1023/a:1012299021967