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ZJUS-B
Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology)  2006, Vol. 7 Issue (12): 3-    DOI: 10.1631/jzus.2006.B0957
    
Acaricidal activities of some essential oils and their monoterpenoidal constituents against house dust mite, Dermatophagoides pteronyssinus (Acari: Pyroglyphidae)
SAAD El-Zemity, HUSSIEN Rezk, SAHER Farok, AHMED Zaitoon
Department of Pesticide Chemistry, Faculty of Agriculture, Alexandria University, Alexandria 21-545, Egypt; Department of Economic Entomology, Faculty of Agriculture, Alexandria University, Alexandria 21-545, Egypt
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Abstract  The acaricidal activities of fourteen essential oils and fourteen of their major monoterpenoids were tested against house dust mites Dermatophagoides pteronyssinus. Five concentrations were used over two different time intervals 24 and 48 h under laboratory conditions. In general, it was noticed that the acaricidal effect based on LC50 of either essential oils or monoterpenoids against the mite was time dependant. The LC50 values were decreased by increasing of exposure time. Clove, matrecary, chenopodium, rosemary, eucalyptus and caraway oils were shown to have high activity. As for the monoterpenoids, cinnamaldehyde and chlorothymol were found to be the most effective followed by citronellol. This study suggests the use of the essential oils and their major constituents as ecofriendly biodegradable agents for the control of house dust mite, D. pteronyssinus.

Key words： Natural acaricides      Essential oils      Monoterpenoids      House dust mite      Dermatophagoides pteronyssinus     
Received: 05 July 2006     
CLC:  S482  
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SAAD El-Zemity
HUSSIEN Rezk
SAHER Farok
AHMED Zaitoon
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SAAD El-Zemity, HUSSIEN Rezk, SAHER Farok, AHMED Zaitoon. Acaricidal activities of some essential oils and their monoterpenoidal constituents against house dust mite, Dermatophagoides pteronyssinus (Acari: Pyroglyphidae). Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology), 2006, 7(12): 3-.

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http://www.zjujournals.com/xueshu/zjus-b/10.1631/jzus.2006.B0957     OR     http://www.zjujournals.com/xueshu/zjus-b/Y2006/V7/I12/3

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