OrangerV1, Main, Exploration, bibRecord, 000102

Olfactory response of Anastrepha striata (Diptera: Tephritidae) to guava and sweet orange volatiles.

Identifieur interne : 000102 ( Main/Exploration ); précédent : 000101; suivant : 000103

Olfactory response of Anastrepha striata (Diptera: Tephritidae) to guava and sweet orange volatiles.

Auteurs : Edvin Diaz-Santiz [Mexique] ; Julio C. Rojas [Mexique] ; Leopoldo Cruz-L Pez [Mexique] ; Emilio Hernández [Mexique] ; Edi A. Malo [Mexique]

Source :

Insect science [ 1744-7917 ] ; 2016.

RBID : pubmed:25800723

Abstract

The behavioral responses of virgin and mated female Anastrepha striata Schiner (Diptera: Tephritidae) to guava (Psidium guajava L.) or sweet orange (Citrus sinensis L.) were evaluated separately using multilure traps in two-choice tests in field cages. The results showed that flies were more attracted to guava and sweet orange volatiles than to control (unbaited trap). The physiological state (virgin or mated) of females did not affect their attraction to the fruit volatiles. Combined analysis of gas chromatography coupled with electroantennography (GC-EAD) of volatile extracts of both fruits showed that 1 and 6 compounds from orange and guava, respectively elicited repeatable antennal responses from mated females. The EAD active compounds in guava volatile extracts were identified by gas chromatography-mass spectrometry (GC-MS) as ethyl butyrate, (Z)-3-hexenol, hexanol, ethyl hexanoate, hexyl acetate, and ethyl octanoate. Linalool was identified as the only antennal active compound in sweet orange extracts. In field cage tests, there were no significant differences between the number of mated flies captured by the traps baited with guava extracts and the number caught by traps baited with the 6-component blend that was formulated according to the relative proportions in the guava extracts. Similar results occurred when synthetic linalool was evaluated against orange extracts. From a practical point of view, the compounds identified in this study could be used for monitoring A. striata populations.

DOI: 10.1111/1744-7917.12222
PubMed: 25800723

Affiliations:

Mexique

Le document en format XML

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<front><div type="abstract" xml:lang="en">The behavioral responses of virgin and mated female Anastrepha striata Schiner (Diptera: Tephritidae) to guava (Psidium guajava L.) or sweet orange (Citrus sinensis L.) were evaluated separately using multilure traps in two-choice tests in field cages. The results showed that flies were more attracted to guava and sweet orange volatiles than to control (unbaited trap). The physiological state (virgin or mated) of females did not affect their attraction to the fruit volatiles. Combined analysis of gas chromatography coupled with electroantennography (GC-EAD) of volatile extracts of both fruits showed that 1 and 6 compounds from orange and guava, respectively elicited repeatable antennal responses from mated females. The EAD active compounds in guava volatile extracts were identified by gas chromatography-mass spectrometry (GC-MS) as ethyl butyrate, (Z)-3-hexenol, hexanol, ethyl hexanoate, hexyl acetate, and ethyl octanoate. Linalool was identified as the only antennal active compound in sweet orange extracts. In field cage tests, there were no significant differences between the number of mated flies captured by the traps baited with guava extracts and the number caught by traps baited with the 6-component blend that was formulated according to the relative proportions in the guava extracts. Similar results occurred when synthetic linalool was evaluated against orange extracts. From a practical point of view, the compounds identified in this study could be used for monitoring A. striata populations.</div>
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Olfactory response of Anastrepha striata (Diptera: Tephritidae) to guava and sweet orange volatiles.

Olfactory response of Anastrepha striata (Diptera: Tephritidae) to guava and sweet orange volatiles.

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Abstract

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