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(Z)-11-Hexadecenal and (3Z,6Z,9Z)-Tricosatriene: Sex Pheromone Components of the Red Banded Mango Caterpillar Deanolis sublimbalis

Gibb, A.R. and Pinese, B. and Tenakanai, D. and Kawi, A.P. and Bunn, B. and Ramankutty, P. and Suckling, D.M. (2007) (Z)-11-Hexadecenal and (3Z,6Z,9Z)-Tricosatriene: Sex Pheromone Components of the Red Banded Mango Caterpillar Deanolis sublimbalis. Journal of chemical ecology, 33 (3). pp. 570-589.

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Article Link(s): http://dx.doi.org/10.1007/s10886-006-9221-x

Publisher URL: http://www.springerlink.com

Abstract

The sex pheromone of the red banded mango caterpillar, Deanolis sublimbalis (Lepidoptera: Crambidae), a serious pest of the mango Mangifera indica (Anacardiaceae) in India and Southeast Asia and a recent invader into northern Australia, has been identified. Three candidate compounds were identified from pheromone gland extracts of female moths, using gas chromatography (GC), GC-electroantennographic detection and GC-mass spectrometric analyses, in conjunction with dimethyldisulfide derivatization. Field bioassays established that both (Z)-11-hexadecenal (Z11-16:Ald) and (3Z,6Z,9Z)-tricosatriene (3Z,6Z,9Z-23:Hy) were required for attraction of male D. sublimbalis moths, and 1,000 μg of a 1:1 mix of Z11-16:Ald and 3Z,6Z,9Z-23:Hy was more attractive to male moths than caged virgin females. However, the binary blend was only attractive when the isomeric purity of the monounsaturated aldehyde was >99%, suggesting that the (E)-isomer was inhibitory. Although (Z)-11-hexadecen-1-ol (Z11-16:OH) was tentatively identified in gland extracts, the addition of this compound to the binary blend did not increase the numbers of moths captured. The pheromone can now be used in integrated pest management strategies.

Item Type:Article
Corporate Creators:Horticulture and Forestry Science
Additional Information:© Springer Science+Business Media B.V.
Keywords:Red banded mango caterpillar; Deanolis sublimbalis; Odontiinae; Crambidae; mango pest; (Z)-11-hexadecenal; (3Z,6Z,9Z)-tricosatriene; synergistic sex pheromone components; behavioral antagonist.
Subjects:Science > Biology > Biochemistry
Science > Invasive Species > Animals
Deposited On:27 Jan 2009 05:05
Last Modified:01 Oct 2010 01:41

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