Spatial repellency effects of Taiwanese plant oils on the biting midge, Forcipomyia taiwana
The biting midge, Forcipomyia taiwana (Shiraki) (Diptera: Ceratopogonidae), can cause severe allergic reactions. It can pass through typical mosquito netting, so repellents are an important control measure against it. This project sought to identify spatial repellents from plants traditionally used...
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2023-12-01
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| Series: | All Life |
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| Online Access: | http://dx.doi.org/10.1080/26895293.2023.2167871 |
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| author | Liang-De Guo Yi-Pei Luo Pei-Yin Lin Kevin Chi-Chung Chou Matan Shelomi |
| author_facet | Liang-De Guo Yi-Pei Luo Pei-Yin Lin Kevin Chi-Chung Chou Matan Shelomi |
| author_sort | Liang-De Guo |
| collection | DOAJ |
| description | The biting midge, Forcipomyia taiwana (Shiraki) (Diptera: Ceratopogonidae), can cause severe allergic reactions. It can pass through typical mosquito netting, so repellents are an important control measure against it. This project sought to identify spatial repellents from plants traditionally used by Taiwanese Aboriginal peoples as insect repellents. Fresh plant leaves were collected, frozen, and powdered, and essential oils extracted using hexane then ethyl acetate as solvents. Some commercial oils were also used. The extracts were tested against lab-reared F. taiwana using a Y-tube olfactometer. The composition of the extracts was identified using gas-chromatography mass-spectrometry (GC-MS). Commercial citronella, lavender, and Formosan cypress oils were effective repellents, as were lab-made capillary wormwood and camphor oils. Knockdown was detected in commercial clove leaf, rosemary, common wormwood, and cajuput oils. The oil composition data is the first for many of the Taiwanese plants, many of which contained repellent compounds like caryophyllene, α-pinene, and germacrene D. The results agreed with previous studies on the effects of some plants but differed on others, possibly due differences in plant chemotype, extraction method, and oil concentrations. Key Policy Highlights Botanical oils may have some effect as personal repellents against Forcipomyia taiwana. Commercially available oils show the most promise. Certain endangered trees show promise as sources of repellents, so their conservation should be prioritized. |
| first_indexed | 2024-03-09T02:08:49Z |
| format | Article |
| id | doaj.art-7361df3b7e1d4cfaa53e608fc2343258 |
| institution | Directory Open Access Journal |
| issn | 2689-5307 |
| language | English |
| last_indexed | 2024-03-09T02:08:49Z |
| publishDate | 2023-12-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | All Life |
| spelling | doaj.art-7361df3b7e1d4cfaa53e608fc23432582023-12-07T15:12:04ZengTaylor & Francis GroupAll Life2689-53072023-12-0116110.1080/26895293.2023.21678712167871Spatial repellency effects of Taiwanese plant oils on the biting midge, Forcipomyia taiwanaLiang-De Guo0Yi-Pei Luo1Pei-Yin Lin2Kevin Chi-Chung Chou3Matan Shelomi4Department of Entomology, National Taiwan UniversityDepartment of Biotechnology, Chia-Nan University of Pharmacy and ScienceJoint Center for Instruments and Researches, National Taiwan UniversityJoint Center for Instruments and Researches, National Taiwan UniversityDepartment of Entomology, National Taiwan UniversityThe biting midge, Forcipomyia taiwana (Shiraki) (Diptera: Ceratopogonidae), can cause severe allergic reactions. It can pass through typical mosquito netting, so repellents are an important control measure against it. This project sought to identify spatial repellents from plants traditionally used by Taiwanese Aboriginal peoples as insect repellents. Fresh plant leaves were collected, frozen, and powdered, and essential oils extracted using hexane then ethyl acetate as solvents. Some commercial oils were also used. The extracts were tested against lab-reared F. taiwana using a Y-tube olfactometer. The composition of the extracts was identified using gas-chromatography mass-spectrometry (GC-MS). Commercial citronella, lavender, and Formosan cypress oils were effective repellents, as were lab-made capillary wormwood and camphor oils. Knockdown was detected in commercial clove leaf, rosemary, common wormwood, and cajuput oils. The oil composition data is the first for many of the Taiwanese plants, many of which contained repellent compounds like caryophyllene, α-pinene, and germacrene D. The results agreed with previous studies on the effects of some plants but differed on others, possibly due differences in plant chemotype, extraction method, and oil concentrations. Key Policy Highlights Botanical oils may have some effect as personal repellents against Forcipomyia taiwana. Commercially available oils show the most promise. Certain endangered trees show promise as sources of repellents, so their conservation should be prioritized.http://dx.doi.org/10.1080/26895293.2023.2167871forcipomyia taiwanainsect repellentbiting midgeessential oilsbioprospectinggc-ms |
| spellingShingle | Liang-De Guo Yi-Pei Luo Pei-Yin Lin Kevin Chi-Chung Chou Matan Shelomi Spatial repellency effects of Taiwanese plant oils on the biting midge, Forcipomyia taiwana All Life forcipomyia taiwana insect repellent biting midge essential oils bioprospecting gc-ms |
| title | Spatial repellency effects of Taiwanese plant oils on the biting midge, Forcipomyia taiwana |
| title_full | Spatial repellency effects of Taiwanese plant oils on the biting midge, Forcipomyia taiwana |
| title_fullStr | Spatial repellency effects of Taiwanese plant oils on the biting midge, Forcipomyia taiwana |
| title_full_unstemmed | Spatial repellency effects of Taiwanese plant oils on the biting midge, Forcipomyia taiwana |
| title_short | Spatial repellency effects of Taiwanese plant oils on the biting midge, Forcipomyia taiwana |
| title_sort | spatial repellency effects of taiwanese plant oils on the biting midge forcipomyia taiwana |
| topic | forcipomyia taiwana insect repellent biting midge essential oils bioprospecting gc-ms |
| url | http://dx.doi.org/10.1080/26895293.2023.2167871 |
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