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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

2015, Vol. 3, Issue 2
Fumigant toxicity and repellent effect of three Iranian Eucalyptus species against the lesser grain beetle, Rhyzopertha Dominica (F.) (Col.: Bostrichidae)

Shiva Parsia Aref, Oruj Valizadegan

In the present study, fumigant toxicity, repellent property and durability of essential oils of Eucalyptus dundasii Maiden, Eucalyptus floribunda F. Muell and Eucalyptus kruseana F. Muell were evaluated against the adults of Rhyzopertha dominica (F.). The essential oils were isolated with hydro-distillation method by Clevenger apparatus. Results of fumigant toxicity showed that as the concentration and exposure time increased, the mortality also increased. LC50 values for E. dundasii, E. floribunda and E. kruseana were achieved as 41.69, 34.39 and 27.98 μl/l air, respectively. For Repellent Index, it was found that all essential oils have repellent effect at concentrations of 70, 140 and 280 μl/l air and E. kruseana oil showed the highest repellency as compared to other essential oils. In the evaluation of durability of fumigant toxicity, it found that E. kruseana essential oil has more stable.
Pages : 198-202 | 1014 Views | 22 Downloads
How to cite this article:
Shiva Parsia Aref, Oruj Valizadegan. Fumigant toxicity and repellent effect of three Iranian Eucalyptus species against the lesser grain beetle, Rhyzopertha Dominica (F.) (Col.: Bostrichidae). J Entomol Zool Stud 2015;3(2):198-202.
Journal of Entomology and Zoology Studies
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