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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

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2014, Vol. 2, Issue 5
Side effects of insecticides on the adult longevity of Cotesia vestalis, a larval parasitoid of the diamondback moth, Plutella xylostella

Mehran Rezaei, Javad Karimzadeh, Jahanshir Shakarami and Shahriar Jafary

The effect of several insecticides, including Chlorpyrifos, Indoxacarb, Cypermethrin and Matrin, on the longevity of Cotesia vestalis was investigated under laboratory conditions. Field recommended concentrations of insecticides were prepared. The experiment was conducted within tubes (1.5 cm diameter and 10 cm high) with six replications of each treatment. After 24 hours Chlorpyrifos with 100% mortality showed a significant difference in comparison with other insecticides. After 48 hours the highest and lowest mortality of C. vestalis occurred in Chlorpyrifos (100%) and Cypermethrin (35.8%) treatments, respectively. However, there was no significant difference between treatments 72 hours and 96 hours post-treatment. The findings of the present study thus suggest that in order to support natural enemies, the field application of dangerous insecticides such as Chlorpyrifos against diamondback moth must be limited.
Pages : 49-51 | 721 Views | 14 Downloads
How to cite this article:
Mehran Rezaei, Javad Karimzadeh, Jahanshir Shakarami and Shahriar Jafary. Side effects of insecticides on the adult longevity of Cotesia vestalis, a larval parasitoid of the diamondback moth, Plutella xylostella. 2014; 2(5): 49-51.
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