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Insects

Title:		"Antennal and Behavioral Responses of Drosophila suzukii to Volatiles from a Non-Crop Host, Osyris wightiana"
Author(s):		Liu Y; Cui Z; Shi M; Kenis M; Dong W; Zhang F; Zhang J; Xiao C; Chen L;
Address:		"College of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding 071002, China. Plant Protection College, Yunnan Agricultural University, Kunming 650201, China. State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China. International Center for Applied Biosciences (CABI), CH-2800 Delemont, Switzerland. MoA-CABI Joint Laboratory for Bio-safety, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China"
Journal Title:		Insects
Year:		2021
Volume:		20210215
Issue:		2
Page Number:		-
DOI:		10.3390/insects12020166
ISSN/ISBN:		2075-4450 (Print) 2075-4450 (Electronic) 2075-4450 (Linking)
Abstract:		"Drosophila suzukii (Diptera: Drosophilidae) infests a variety of commercial fruits, including cherries and other soft-skinned fruits. After the cropping season of most cultivated crop hosts, it heavily infests the fruit of a wild host-plant, Osyris wightiana in southwest China. Here, we employ gas chromatography-electroantennographic detection (GC-EAD) together with behavioral bioassays and a trapping experiment to identify volatile semiochemicals emitted by O. wightiana that are involved in D. suzukii attraction. GC-EAD recordings of D. suzukii antenna showed responses to 13 compounds, including alpha-pinene, 3-methylbutyl acetate, 2-hexanol, E-beta-ocimene, Z-3-hexenol, beta-caryophyllene, alpha-humulene, and six unidentified compounds. The flies were attracted by seven individual EAD-active compounds at low doses (0.01 and 0.1 mug), but were repelled at high doses (10 and 100 mug). In a similar manner, a blend of seven EAD-active compounds at low doses (0.1 and 1 mug) was attractive to female flies, but became repulsive at high doses (10 mug). The low dose of the blend was as attractive as the fruit volatiles, although both were less attractive than the fruits. The blend attracted both female and male D. suzukii and other Drosophila flies. The percentage of D. suzukii out of all flies captured by the blend was significantly greater than that captured by the control. These results indicate that the EAD-active volatile compounds emitted by fruits of O. wightiana play an important role in D. suzukii attraction, and have the potential to be used for management of D. suzukii"
Keywords:		Gc-ead field trapping invasive species olfactory response spotted wing drosophila;
Notes:		"PubMed-not-MEDLINELiu, Yan Cui, Zhihao Shi, Mi Kenis, Marc Dong, Wenxia Zhang, Feng Zhang, Jinping Xiao, Chun Chen, Li eng 613678/European Union's Seventh Framework program/ QCYL-2018-05/the Innovation Pilot Project of the Whole Industry Chain, Ningxia Academy of Agriculture and Forestry/ Switzerland 2021/03/07 Insects. 2021 Feb 15; 12(2):166. doi: 10.3390/insects12020166"