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Paper Information

Journal:   JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI)   2017 , Volume 37 , Number 2 ; Page(s) 249 To 261.
 
Paper: 

INFLUENCE OF DIFFERENT DENSITIES AND NYMPHAL INSTARS OF APHIS GOSSYPII (HEMIPTERA: APHIDIDAE) ON DEVELOPMENTAL TIME AND FEEDING RATE OF LARVAE OF EPISYRPHUS BALTEATUS (DIPTERA: SYRPHIDAE) UNDER GREENHOUSE CONDITIONS

 
 
Author(s):  HOSSEINZADEH ZAHRA, SAHRAGARD AHAD*, ZIBAEE ARASH
 
* DEPARTMENT OF PLANT PROTECTION, FACULTY OF AGRICULTURAL SCIENCES, UNIVERSITY OF GUILAN, RASHT, IRAN
 
Abstract: 

Several aphidophagous insects such as predators and parasitoids are known to respond positively to aphid infested plants. This study was intended to evaluate the effect of different densities (40, 60, 80, 100) and nymphal instars (1st, 2nd, 3rd, 4th) of the cotton aphid Aphis gossypii Glover (Hemiptera: Aphididae) as prey on developmental time and feeding rate of the larvae of the syrphid flyEpisyrphus balteatusDeGeer on cucumber leaves The experiment was conducted at the greenhouse condition (22 ± 5°C, 55 ± 10% RH and 14L: 10 D h photoperiod) with 10 replications. Our study indicated that lower density and poor quality of prey caused higher larval mortality. Feeding on 3rd and 4th nymphal instars and higher density of prey (80 and 100 prey/day) caused shorter developmental time of E.balteatus. The larvae fed on densities of 40 and 60 prey, even though fed on higher nymphal instars, failed to complete their larval development. It is concluded that higher prey densities (80 and 100 prey) were highly suitable for predator's larval development and significantly reduced the developmental period of E. balteatus. These findings provide further evidence that E. balteatus has high predation capacity on aphids, and therefore can be used as a successful biocontrol agent against A. gossypii.

 
Keyword(s): APHIS GOSSYPII, EPISYRPHUS BALTEATUS, PREDATION RATE, NYMPHAL INSTARS, BIOLOGICAL CONTROL
 
 
References: 
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APA: Copy

HOSSEINZADEH, Z., & SAHRAGARD, A., & ZIBAEE, A. (2017). INFLUENCE OF DIFFERENT DENSITIES AND NYMPHAL INSTARS OF APHIS GOSSYPII (HEMIPTERA: APHIDIDAE) ON DEVELOPMENTAL TIME AND FEEDING RATE OF LARVAE OF EPISYRPHUS BALTEATUS (DIPTERA: SYRPHIDAE) UNDER GREENHOUSE CONDITIONS. JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI), 37(2 ), 249-261. https://www.sid.ir/en/journal/ViewPaper.aspx?id=569242



Vancouver: Copy

HOSSEINZADEH ZAHRA, SAHRAGARD AHAD, ZIBAEE ARASH. INFLUENCE OF DIFFERENT DENSITIES AND NYMPHAL INSTARS OF APHIS GOSSYPII (HEMIPTERA: APHIDIDAE) ON DEVELOPMENTAL TIME AND FEEDING RATE OF LARVAE OF EPISYRPHUS BALTEATUS (DIPTERA: SYRPHIDAE) UNDER GREENHOUSE CONDITIONS. JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI). 2017 [cited 2021May13];37(2 ):249-261. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=569242



IEEE: Copy

HOSSEINZADEH, Z., SAHRAGARD, A., ZIBAEE, A., 2017. INFLUENCE OF DIFFERENT DENSITIES AND NYMPHAL INSTARS OF APHIS GOSSYPII (HEMIPTERA: APHIDIDAE) ON DEVELOPMENTAL TIME AND FEEDING RATE OF LARVAE OF EPISYRPHUS BALTEATUS (DIPTERA: SYRPHIDAE) UNDER GREENHOUSE CONDITIONS. JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI), [online] 37(2 ), pp.249-261. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=569242.



 
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