Chemical composition, Aedes mosquito larvicidal activity, and repellent activity against Triatoma rubrofasciata of Severinia monophylla leaf essential oil

Aedes aegypti and Ae. albopictus are key vectors in the spread of arboviruses such as dengue, chikungunya, yellow fever, and Zika. Triatoma rubrofasciata is an “assassin bug” whose populations and association with humans have dramatically increased and may represent a serious health concern. Control...

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Published in:	Parasitology research (1987) 2019-03, Vol.118 (3), p.733-742
Main Authors:	Satyal, Prabodh, Hieu, Ho Viet, Chuong, Nguyen Thi Hong, Hung, Nguyen Huy, Sinh, Le Hoang, Van The, Pham, Tai, Thieu Anh, Hien, Vu Thi, Setzer, William N.
Format:	Article
Language:	eng
Subjects:	Aedes - drug effects Aedes - parasitology Aedes aegypti Aedes albopictus Animals Arthropods and Medical Entomology - Original Paper Bicyclogermacrene Biomedical and Life Sciences Biomedicine By-products Caryophyllene Chemical composition Chemical properties Chromatography Control Dengue - prevention & control Dengue - transmission Dengue fever Essences and essential oils Essential oils Gas chromatography Gas Chromatography-Mass Spectrometry Germacrene Globulol Health Health aspects Humans Immunology Infection Insect Repellents - chemistry Insect Repellents - pharmacology Insecticides - chemistry Insecticides - pharmacology Larvicides Leaves Linalool Mass Spectrometry Mass spectroscopy Medical Microbiology Microbiology Mosquito Control Mosquito Vectors - drug effects Mosquito Vectors - parasitology Nerolidol Oils & fats Oils, Volatile - chemistry Oils, Volatile - pharmacology Plant Leaves - chemistry Plant Oils - chemistry Plant Oils - pharmacology Rutaceae Rutaceae - chemistry Sabinene Severinia monophylla Spectroscopy Terpenes - chemistry Terpenes - pharmacology Triatoma - drug effects Triatoma rubrofasciata Triatominae Varieties Vector-borne diseases Vectors Vietnam Yellow fever
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Summary:	Aedes aegypti and Ae. albopictus are key vectors in the spread of arboviruses such as dengue, chikungunya, yellow fever, and Zika. Triatoma rubrofasciata is an “assassin bug” whose populations and association with humans have dramatically increased and may represent a serious health concern. Control of insect vectors is a logical course of action to prevent the spread of these insect-borne infections. This work presents the leaf essential oil composition, mosquito larvicidal activities, and insect-repellent activity of Severinia monophylla . The essential oil of S. monophylla from Vietnam was obtained by hydrodistillation and analyzed by gas chromatography and mass spectrometry. The major components were sabinene, β-caryophyllene, bicyclogermacrene, germacrene D, ( E )-nerolidol, globulol, and linalool. The leaf essential oil showed remarkable larvicidal activity against Ae. aegypti with LC 50 (48 h) of 7.1 μg/mL and Ae. albopictus with LC 50 (48 h) of 36 μg/mL. The essential oil also showed repellent activity on T. rubrofasciata at a concentration of 0.5%.
ISSN:	0932-0113 1432-1955