Olfactory responses of Stegobium paniceum to different Chinese medicinal plant materials and component analysis of volatiles |
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| Affiliation: | 1. Guizhou Provincial Key Laboratory for Rare Animal and Economic Insect of the Mountainous Region, Department of Biology and Engineering of Environment, Guiyang University, Guiyang, Guizhou, 550005, PR China;2. Guizhou Provincial Academy of Agricultural Sciences, Guiyang, Guizhou, 550006, PR China;3. Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124, Pisa, Italy;4. Department of the Sciences of Agriculture, Food and Environment, University of Foggia, Via Napoli 25, Foggia 71122, Italy;1. School of Biological Sciences, The University of Queensland, Brisbane, Queensland, 4072, Australia;2. Plant Biosecurity Cooperative Research Centre, LPO Box 5012, Bruce, ACT, 2617, Australia;3. Department of Agriculture and Fisheries, Queensland, Ecosciences Precinct, GPO Box 267, Brisbane, Queensland, 4001, Australia;4. Department of Primary Industries and Regional Development, 3 Baron-Hay Court, South Perth, WA, 6151, Australia;5. New South Wales Department of Primary Industries, Private Mail Bag, Wagga Wagga, NSW, 2650, Australia;1. Department of Agricultural Entomology, Centre for Plant Protection Studies, Tamil Nadu Agricultural University, Coimbatore – 03, India;2. Department of Agriculture and Fisheries, EcoSciences Precinct, GPO Box 267, Brisbane, Queensland 4001, Australia;3. Department of Plant Biotechnology, Centre for Plant Molecular Biology and Biotechnology, Tamil Nadu Agricultural University, Coimbatore – 03, India;4. School of Biological Sciences, The University of Queensland, St Lucia, Brisbane, Queensland 4072, Australia;5. Division of Entomology, Indian Agricultural Research Institute, Pusa Campus, New Delhi – 12, India;6. Department of Primary Processing, Storage and Handling, Indian Institute of Food Processing Technology, Thanjavur – 05, India;1. Guizhou Provincial Key Laboratory for Rare Animal and Economic Insect of the Mountainous Region, Guiyang University, Guiyang 550005, China;2. College of Tobacco Science, Guizhou University, Guiyang 550025, China;3. College of Biology and Environmental Engineering, Guiyang University, Guiyang 550005, China;1. Hubei Key Laboratory of Wetland Evolution & Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, Hubei, PR China;2. Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, Hubei, PR China;3. Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, Hubei, PR China;4. C-Bons Cosmetics Chemical (Wuhan) Co., Ltd., Wuhan 430058, Hubei, PR China;5. Weihai Environmental Protection Monitoring Station, Weihai 264500, Shandong, PR China |
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| Abstract: | Stegobium paniceum (L.) (Coleoptera: Anobiidae) is among the major pests of stored products, causing great damage to stored Chinese medicinal plant materials (CMPMs) in China. Effective control strategies are urgently needed. The aim of this study was to explore the role of volatile organic compounds in the host preference of S. paniceum. First, the olfactory behavioral responses of S. paniceum adults to volatiles from four CMPMs (Panax notoginseng, Angelica sinensis, Gastrodia elata, and Peucedanum praeruptorum) were tested in Y-tube olfactometer experiments. Then, the volatile composition of these plant materials were analyzed by gas chromatography-mass spectrometry (GC-MS). S. paniceum showed significant preferences for volatiles from the four CMPMs, compared with clean air (CA). When S. paniceum was presented with choices among different CMPMs, it showed the strongest preference for P. notoginseng, followed by A. sinensis, then G. elata, and P. praeruptorum. GC-MS analysis identified 43, 34, 28 and 60 components in the volatile profiles of P. notoginseng, A. sinensis, G. elata, and P. praeruptorum, respectively. Falcarinol (14.4%), 3-n-butyl phthalide (78.7%), p-cresol (40.1%), and β-pinene (29.1%) were the most abundant components of the volatiles of P. notoginseng, A. sinensis, G. elata, and P. praeruptorum, respectively. The olfactory responses of S. paniceum to the four CMPMs demonstrated that host-related volatiles play an important role in the host-searching process by adult beetles. This information will be useful for the development of safe and effective trapping strategies for this pest. |
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| Keywords: | Drugstore beetle Chinese medicinal plant materials Behavioral responses Y-tube olfactometer Stored drug materials GC-MS |
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