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Essential oils of Cupressus funebris, Juniperus communis, and J. chinensis (Cupressaceae) as repellents against ticks (Acari: Ixodidae) and mosquitoes (Diptera: Culicidae) and as toxicants against mosquitoes

文献类型： 外文期刊

作者： Carroll, John F. 1 ; Tabanca, Nurhayat 2 ; Kramer, Matthew 3 ; Elejalde, Natasha M. 4 ; Wedge, David E. 2 ; Bernier 1 ;

作者机构： 1.ARS, USDA, Invas Insect Biocontrol & Behav Lab, Beltsville Agr Res Ctr, Beltsville, MD 20705 USA

2.Univ Mississippi, USDA, ARS, Nat Prod Utilizat Res Unit, University, MS 38677 USA

3.ARS, USDA, Biometr Consulting Serv, Beltsville Agr Res Ctr, Beltsville, MD 20705 USA

4.ARS, USDA, Ctr Med Agr & Vet Entomol, Gainesville, FL 32608 USA

5.Anadolu Univ, Fac Pharm, Dept Pharmacognosy, TR-26470 Eskisehir, Turkey

6.Shanghai Inst Technol, Sch Perfume & Aroma Technol, Shanghai 200235, Peoples R China

7.Shanghai Acad Agr Sci, Inst Plant Protect, Shanghai 201106, Peoples R China

关键词： Lone star tick;Amblyomma americanum;blacklegged tick;Ixodes scapularis;yellow fever mosquito;Aedes aegypti;repellency;toxicant.

期刊名称：JOURNAL OF VECTOR ECOLOGY （ 影响因子：1.671； 五年影响因子：1.961 ）

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收录情况： SCI

摘要： Juniperus communis leaf oil, J. chinensis wood oil, and Cupressus funebris wood oil (Cupressaceae) from China were analyzed by gas chromatography and gas chromatography-mass spectrometry. We identified 104 compounds, representing 66.8-95.5% of the oils. The major components were: α-pinene (27.0%), α-terpinene (14.0%), and linalool (10.9%) for J. communis; cuparene (11.3%) and δ-cadinene (7.8%) for J. chinensis; and α-cedrene (16.9%), cedrol (7.6%), and β-cedrene (5.7%) for C. funebris. The essential oils of C. funebris, J. chinensis, and J. communis were evaluated for repellency against adult yellow fever mosquitoes, Aedes aegypti (L.), host-seeking nymphs of the lone star tick, Amblyomma americanum (L.), and the blacklegged tick, Ixodes scapularis Say, and for toxicity against Ae. aegypti larvae and adults, all in laboratory bioassays. All the oils were repellent to both species of ticks. The EC_(95) values of C. funebris, J. communis, and J. chinensis against A. americanum were 0.426, 0.508, and 0.917 mg oil/cm~2 filter paper, respectively, compared to 0.683 mg deet/cm2 filter paper. All I. scapularis nymphs were repelled by 0.103 mg oil/cm~2 filter paper of C. funebris oil. At 4 h after application, 0.827 mg oil/cm2 filter paper, C. funebris and J. chinensis oils repelled ≥80% of A. americanum nymphs. The oils of C. funebris and J. chinensis did not prevent female Ae. aegypti from biting at the highest dosage tested (1.500 mg/cm~2). However, the oil of J. communis had a Minimum Effective Dosage (estimate of ED_(99)) for repellency of 0.029 ± 0.018 mg/cm~2; this oil was nearly as potent as deet. The oil of J. chinensis showed a mild ability to kill Ae. aegypti larvae, at 80 and 100% at 125 and 250 ppm, respectively. Journal of Vector Ecology 36 (2): 258-268. 2011.

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