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Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES   JUNE-JULY 2007 , Volume 14 , Number 2; Page(s) 148 To 156.
 
Paper: 

SOME BEHAVIORAL CHARACTERISTICS OF THE DIGLYPHUS ISAEA (HYM.: EULOPHIDAE), A LARVAL PARASITOID OF LIRIOMYZA SATIVAE (DIP.: AGROMYZIDAE)

 
 
Author(s):  ASADI R., TALEBI ALI ASGHAR, FATHIPOUR Y., MOHARAMIPOUR S.
 
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Abstract: 

In this study host stage preference and functional response of Diglyphus isaea (Walker) as one of the most important natural enemies of the larval stages of vegetable leafminer, Liriomyza sativae (Blanchard) were studied in a growth chamber at temperature of 25±1oC, RH 60±5% and a photoperiod of 16:8 (L:D) on Sunry bean bushes. Host stage preference was investigated using equal number of first larval instar and second-third larval instars in choice and no-choice preference tests. The results indicated that in no-choice experiment the mean number of first instar larvae and second–third instars larvae parasitized were 2.83±0.95, 11.83±0.95 and in choice experiment were 1.67±0.8, 7.83±1.0, respectively. There were significant differences between mean numbers of parasitized larvae in two stages of the host. The preference coefficient for young larva and old larva were 0.253±0.08, 6.61±2.3 in first experiment and 0.203±0.11, 5.81±1.5 in second experiment, respectively. There were significant differences between preference coefficients in two stages of the host. Consequently D. isaea preferred second-third larval instars for ovipositor. To study the functional response one pair of D. isaea were introduced to six density levels of 2, 4, 8, 16, 30 and 60 second-third larval instars. Each density was replicated 5 times. Analysis of data was conducted using Juliano method (1993) and SAS software. Logistic regression was used for determining type of functional response, and non linear regression was used for estimating searching efficiency (a) and handling time (Th) parameters. The results showed that the functional response was type III. The rates of searching efficiency and handling time by Rogers's model were 0.0048 and 1.789, respectively.

 
Keyword(s): FUNCTIONAL RESPONSE, STAGE PREFERENCE, DIGLYPHUS ISAEA, LIRIOMYZA SATIVAE
 
 
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APA: Copy

ASADI, R., & TALEBI, A., & FATHIPOUR, Y., & MOHARAMIPOUR, S. (2007). SOME BEHAVIORAL CHARACTERISTICS OF THE DIGLYPHUS ISAEA (HYM.: EULOPHIDAE), A LARVAL PARASITOID OF LIRIOMYZA SATIVAE (DIP.: AGROMYZIDAE). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 14(2), 148-156. https://www.sid.ir/en/journal/ViewPaper.aspx?id=98981



Vancouver: Copy

ASADI R., TALEBI ALI ASGHAR, FATHIPOUR Y., MOHARAMIPOUR S.. SOME BEHAVIORAL CHARACTERISTICS OF THE DIGLYPHUS ISAEA (HYM.: EULOPHIDAE), A LARVAL PARASITOID OF LIRIOMYZA SATIVAE (DIP.: AGROMYZIDAE). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES. 2007 [cited 2021October17];14(2):148-156. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=98981



IEEE: Copy

ASADI, R., TALEBI, A., FATHIPOUR, Y., MOHARAMIPOUR, S., 2007. SOME BEHAVIORAL CHARACTERISTICS OF THE DIGLYPHUS ISAEA (HYM.: EULOPHIDAE), A LARVAL PARASITOID OF LIRIOMYZA SATIVAE (DIP.: AGROMYZIDAE). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, [online] 14(2), pp.148-156. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=98981.



 
 
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