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Identification of Female Sex Pheromone of a Plant Bug, Polymerus pekinensis Reuter (Hemiptera: Miridae)

文献类型： 外文期刊

作者： Wang, Liuyang 1 ; Wang, Yubo 2 ; Zhang, Xiaofang 1 ; Fang, Meijuan 2 ; Mei, Xiangdong 3 ; Zhang, Tao 1 ;

作者机构： 1.Minist Agr & Rural Affairs, Plant Protect Inst, Int Sci & Technol Joint Res Ctr IPM Hebei Prov, China IPM Innovat Ctr Hebei Prov,HAAFS Key Lab IPM, Baoding 071000, Peoples R China

2.Hebei Acad Agr & Forestry Sci, Dry Land Farming Inst, Hengshui 053000, Peoples R China

3.Chinese Acad Agr Sci, State Key Lab Biol Plant Dis & Insect Pests, Inst Plant Protect, Beijing 100193, Peoples R China

关键词： Miridae; chemical communication; octyl acetate; decyl acetate; trapping

期刊名称：INSECTS （ 影响因子：2.9； 五年影响因子：3.3 ）

ISSN：

年卷期： 2025 年 16 卷 2 期

页码：

收录情况： SCI

摘要： Insect sex pheromones have been widely used in integrated pest control due to their efficiency, non-toxicity, specificity, and environmental sustainability. They are considered a key component of green pest management techniques. Polymerus pekinensis is a phytophagous plant bug on alfalfa (Medicago sativa L.) in East Asia. This study used gas chromatography-electroantennogram detection (GC-EAD) and gas chromatography-mass spectrometry (GC-MS) to analyze the whole-body extracts from male and female P. pekinensis. Octyl acetate (OA) and decyl acetate (DA) elicited the antennal response of males and were identified as the predominant components of female and male extracts, respectively. Subsequent field trials demonstrated that OA (>8 mg per lure) showed the strongest attraction to conspecific males. However, when DA was added in a lure (>= 2 mg), a significant decline in captures occurred. These findings provide new insights into the understanding of sex pheromones in Miridae and benefit the development of sustainable management of P. pekinensis.

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