« Previous Abstract"Sex pheromones of three citrus leafrollers, Archips atrolucens, Adoxophyes privatana, and Homona sp., inhabiting the Mekong Delta of Vietnam"    Next Abstract"Specificity of laboratory trail following by the argentine ant,Iridomyrmex humilis (Mayr), to (Z)-9-hexadecenal, analogs, and gaster extract" »

J Chem Ecol

Title:		"Unsaturated Cuticular Hydrocarbon Components of the Sex Pheromone of Eggplant Fruit Borer, Leucinodes orbonalis Guenee (Lepidoptera: Crambidae)"
Author(s):		Van Vang L; Yan Q; Nghia NTN; Khanh CNQ; Ando T;
Address:		"College of Agriculture and Applied Biology, Can Tho University, 3/2 street, Ninh Kieu District, Can Tho City, Vietnam. lvvang@ctu.edu.vn. Education Ministry Key Laboratory of Integrated Management of Crop Disease and Pests/College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China. Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo, 184-0012, Japan. College of Agriculture and Applied Biology, Can Tho University, 3/2 street, Ninh Kieu District, Can Tho City, Vietnam"
Journal Title:		J Chem Ecol
Year:		2018
Volume:		20180713
Issue:		7-Aug
Page Number:		631 - 636
DOI:		10.1007/s10886-018-0985-6
ISSN/ISBN:		1573-1561 (Electronic) 0098-0331 (Linking)
Abstract:		"Leucinodes orbonalis is one of the most damaging insect pests affecting eggplant in the Mekong Delta of Vietnam. While (E)-11-hexadecenyl acetate (E11-16:OAc) and its alcohol, (E)-11-hexadecenol (E11-16:OH), have been identified as major and minor sex pheromone components, respectively, few males were attracted to a blend of these compounds in Vietnamese fields. In order to utilize synthetic pheromone of L. orbonalis as a tool for sustainable pest management programs, we reexamined the pheromone of this species in order to search for other minor components. Gas chromatography-electroantennogram detection and gas chromatography/mass spectrometry analyses of abdominal tip extract revealed the presence of two electroantennogram-active compounds, E11-16:OAc and (3Z,6Z,9Z)-3,6,9-tricosatriene (Z3,Z6,Z9-23:H) in a ratio of 100:2. An extract of the abdomen and thorax showed an additional electroantennogram-active component, (3Z,6Z,9Z)-3,6,9-docosatriene (Z3,Z6,Z9-22:H), with the three compounds (E11-16:OAc, Z3,Z6,Z9-23:H and Z3,Z6,Z9-22:H) being present in a ratio of 100:45:1, indicating that the trienes were mainly present on the cuticular surface. In the field, traps baited with E11-16:OAc and the C(23) triene, in a mix of 10:1, caught more male moths than traps baited with the acetate alone. A field evaluation of other polyunsaturated hydrocarbons showed that the C(22) triene found in body extract also increased catches when added to the acetate, but no other hydrocarbons did. In contrast, to other studies with this moth, the addition of E11-16:OH to E11-16:OAc plus the C(22) or C(23) triene, resulted in decreased trap catches"
Keywords:		"Acetates/analysis Animals Arthropod Antennae/physiology Female Fruit/parasitology Gas Chromatography-Mass Spectrometry Hydrocarbons/analysis/*chemistry Lepidoptera/*physiology Male Polyenes/analysis Sex Attractants/analysis/*chemistry Sexual Behavior, Ani;"
Notes:		"MedlineVan Vang, Le Yan, Qi Nghia, Nguyen Thi Ngoc Khanh, Chau Nguyen Quoc Ando, Tetsu eng 2018/07/14 J Chem Ecol. 2018 Aug; 44(7-8):631-636. doi: 10.1007/s10886-018-0985-6. Epub 2018 Jul 13"