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Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES   June-July 2005 , Volume 12 , Number 2; Page(s) 111 To 117.
 
Paper: 

THE FUNCTIONAL RESPONSE OF ANDRAILUS SPINIDENS F. (HEM: PENTATOMIDAE) TO DENSITIES OF NARANGA AENESCENS IN LABORATORY (LEP: NOCTUIDAE)

 
 
Author(s):  JAVADI S., SAHRAGARD A.
 
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Abstract: 

Biological studies on predacious pentatomid bug, Andrallus spinidens showed that the larvae of the green rice semilooper, Naranga aenescens were the most important prey of the predator in Guilan rice fields. The functional response of the predator A. spinidens was tested at various densities of the Naranga aenescens (2, 4, 8, 16, 32 and 64 larvae) under laboratory conditions (26±1 oc and 56 ± 2% R.H. and 10 D: 14L Period light). The Holling disc equation fitted to the data. A type 11 functional response curve was exhibited by the adults of A. spinidens. The instantaneouse searching efficiency (a) was 24.86 and 20.15, respectively after 8 and 24 hours.

 
Keyword(s): FUNCTIONAL RESPONSE, ANDRULLUS SPINIDENS, NARANGA AENESCENS
 
References: 
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