Journal
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
Volume 160, Issue -, Pages 342-348Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ecoenv.2018.05.054
Keywords
Evodia lenticellata; Fumigant toxicity; Contact toxicity; Repellency; Monoterpenes; Stored-product insects
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Funding
- National Key R&D Program of China [2016YFC0500805]
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In this work, the essential oil (EO) was extracted from the fruits of Evodia lenticellata, and the fumigant toxicity, contact toxicity and repellency against three stored-product insect species were evaluated for the obtained EO and several of its chemical components. The target insects were the adults of Tribolium castaneum (Coleoptera: Tenebrionidae), Lasioderma serricome (Coleoptera: Anobiidae) and Liposcelis bostrychophila (Psocoptera: Liposcelididae). The EO was obtained with hydrodistillation and its chemical components were analyzed with the gas chromatography-mass spectrometry (GC-MS). Twenty-seven compounds, accounting for 83.1% of the total amount of the oil, were identified from the EO sample. The main compounds included linalool (12.0%), beta-pinene (11.5%), 3-carene (9.6%), caryophyllene oxide (8.7%) and beta-caryophyllene (7.9%). Among them, the amounts of monoterpenes and sesquiterpenes were as high as 52.7% and 22.7% to the total amount of EO respectively. The results of bioactivity test showed that the EO and its testing compounds had interspecific toxicity and repellent activity. So that, it might be expected that the EO extracted from the fruits of E. lenticenata could be developed to a new type of eco-friendly natural insecticide or repellent for the control of stored-product insects.
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