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J Econ Entomol. 2009 Dec;102(6):2072-7.

Field evaluation of potential fruit-derived lures for Anastrepha obliqua (Diptera: Tephritidae).

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1
Departamento de Entomología Tropical, El Colegio de la Frontera Sur (ECOSUR), Tapachula, Chiapas, México.

Abstract

Previous studies have shown that a nine-component blend (ethyl butyrate, isopropyl butyrate, hexan-1-ol, propyl butyrate, isobutyl butyrate, ethyl hexanoate, isopentyl butyrate, ethyl benzoate, and ethyl octanoate) isolated from Spondias mombin L. (Anacardiaceae) fruit are attractive to both sexes of West Indian fruit fly, Anastrepha obliqua (Macquart) (Diptera: Tephritidae), in laboratory and field cage tests. In this study, we evaluated the effectiveness of traps baited with the nine-component blend in capturing wild A. obliqua in a mango, Mangifera indica L. variety Ataulfo) orchard. In addition, we tested other S. mombin-derived lures to determine whether any of these effectively mimic the nine-component blend in attracting A. obliqua. In all trials, we compared the attractiveness of the S. mombin-derived lures against hydrolyzed protein, the standard bait for monitoring A. obliqua. We found that, in some trials, there was no difference in the number of females caught by traps baited with the nine-component blend or with hydrolyzed protein. In other trials, traps baited with hydrolyzed protein captured more females than traps baited with the nine-component blend. For males, in general there were no differences in the number of flies caught by traps baited either with the nine-component blend or with hydrolyzed protein. Traps baited with other S. mombin-derived lures captured fewer A. obliqua than traps baited with hydrolyzed protein. Traps baited with S. mombin-derived lures caught fewer species of nontarget tephritid flies and nontarget insects than traps baited with hydrolyzed protein.

PMID:
20069833
[Indexed for MEDLINE]
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