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Paper Information

Journal:   PERSIAN JOURNAL OF ACAROLOGY   2014 , Volume 3 , Number 1 ; Page(s) 91 To 97.
 
Paper: 

FEEDING PREFERENCE OF PHYTOSEIULUS PERSIMILIS ATHIAS-HENRIOT (ACARI: PHYTOSEIIDAE) TOWARDS UNTREATED AND BEAUVERIA BASSIANA-TREATED TETRANYCHUS URTICAE (ACARI: TETRANYCHIDAE) ON CUCUMBER LEAVES

 
 
Author(s):  SEIEDY MARJAN*
 
* DEPARTMENT OF ANIMAL BIOLOGY, SCHOOL OF BIOLOGY, COLLEGE OF SCIENCE, UNIVERSITY OF TEHRAN, TEHRAN, IRAN
 
Abstract: 

Determination of the host preference of predatory mites when receiving signals related to either untreated andBeauveria bassiana -treated Tetranychus urticae (Acari: Tetranychidae) is important in predicting the predatory mite’s reaction when encountering pathogens due to their coincident presence in greenhouses and fields. Here, we have studied the preference of female predatory mite, Phytoseiulus persimilis Athias-Henriot (Acari: Phytoseiidae) when choosing between untreated andB. bassiana -treated T. urticae (72 hours after treatment of spider mite by fungus) on leaves. This investigation showed a highly significant preference ofP. persimilis towards untreatedT. urticae (P<0.0001). We concluded that the predatory mite is capable to recognize fungus-treated prey and prefers to prey on the uninfected ones. This suggests that the predatory mite and the fungus may be compatible agents of biological control.

 
Keyword(s): BIOLOGICAL CONTROL, PREY, HOST PREFERENCE, PREDATORY MITE
 
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