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The repellent effects of eight Chinese herbal essential oils on red imported fire ants, Solenopsis invicta Buren (Hymenoptera: Formicidae), and analysis of active components

文献类型： 外文期刊

作者： Fan, Min 1 ; Li, Qunchen 1 ; Li, Chunrui 2 ; Shi, Qingxing 3 ; Qiu, Hualong 4 ; Ma, Tao 5 ; Nian, Xiaoge 1 ; He, Yurong 1 ; Wang, Desen 1 ;

作者机构： 1.South China Agr Univ, Dept Entomol, Natl Key Lab Green Pesticide, Guangzhou 510642, Peoples R China

2.Kaiping Customs Peoples Republ China, Jiangmen 529300, Peoples R China

3.Guangdong Acad Agr Sci, Plant Protect Res Inst, Guangzhou 510640, Peoples R China

4.Guangdong Acad Forestry, Guangdong Prov Key Lab Silviculture Protect & Util, Guangzhou 510520, Peoples R China

5.South China Agr Univ, Coll Forestry & Landscape Architecture, Guangzhou, Peoples R China

关键词： Solenopsis invicta; Traditional Chinese medicinal plants; Repellency; GC-MS; GC-EAD

期刊名称：INDUSTRIAL CROPS AND PRODUCTS （ 影响因子：5.6； 五年影响因子：5.7 ）

ISSN： 0926-6690

年卷期： 2024 年 219 卷

页码：

收录情况： SCI

摘要： The red imported fire ant (RIFA), Solenopsis invicta Buren, is an invasive pest that is extremely aggressive and thus poses a strong threat to human health, agricultural production, equipment and the environment. In this study, we evaluated the repellent effects of eight Chinese herbal essential oils (EOs) on RIFAs, and identified the main repellent components in the EOs. Results showed that all eight EOs had outstanding repellency to RIFAs, among which A. argyi and S. album EOs had the strongest repellent effects on RIFAs. GC-MS revealed 34 ingredients in A. argyi EO, among which sesquiterpenoids and their oxygenated derivatives accounted for the greatest proportion (50 %), followed by monoterpenes and their oxygenated derivatives (47.06 %) and unknown components (2.94 %). Dipentene, 1-caryophyllene, p-cymene, alpha-terpineol, and Delta -cadinene were the most abundant compounds. A total of 61 ingredients were identified in S. album EO, including monoterpenes and their oxygenated derivatives (40.98 %), sesquiterpenoids and their oxygenated derivatives (39.34 %), diterpenoids and their oxygenated derivatives (3.28 %), aromatic compounds (3.28 %), and unknown components (13.12 %). Among them, the most abundant compounds were diethyl phthalate, alpha-cetone, 2-phenylethanol and sandacanol. The GC-EAD results showed that RIFA workers exhibited strong electroantennographic responses to dipentene, alpha-terpineol and 1-caryophyllene from A. argyi EO, as well as to linalool, 2-phenylethanol and benzyl acetate from S. album EO. Furthermore, all of the above six ingredients had significant repellent effects against RIFAs based on behavioral experiments. In conclusion, A. argyi and S. album EOs have good repellent effects on RIFAs, and the active ingredients include dipentene, alpha-terpineol, 1-caryophyllene, linalool, 2-phenylethanol and benzyl acetate. Our findings provide new information for the development of green, safe, and efficient repellents against RIFAs.

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