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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(7): 2806-2816
DOI: https://doi.org/10.20546/ijcmas.2017.607.391


Functional Response of Four Syrphid Predators Associated with Mealy Cabbage Aphid, Brevicoryne brassicae L. on Cruciferous Vegetables
Akhtar Ali Khan*
Division of Entomology, Sher-e-Kashmir University of Agricultural sciences and Technology of Kashmir, Shalimar, Srinagar-190025, Jammu and Kashmir, India
*Corresponding author
Abstract:

Functional response of the syrphids Episyrphus balteatus deGeer, Eristalis interruptus (Poda), Eristalis cerealis F. and Sphaerophoria scripta (L.), to Brevicoryne brassicae L. was studied under laboratory conditions to determine their relative preying potential. The 2nd and 3rd instar larvae of the predators were exposed to increasing densities of similar sized B. brassicae nymphs in petri dishes. Third instar of Ep. balteatus was found to possess highest consumption (52.8 aphids) closely followed by Er. Cerealis (50.7 aphids), Er. Interruptus (42.10 aphids) and S. scripta (38.7 aphids), All predators and preying stages exhibited type II functional response. The coefficients of attack rate and handling time were found to show significant variation between species and preying stages. The results suggested that third instar larva of Episyrphus balteatus is the efficient predator to regulate B. brassicae colonies.


Keywords: Syrphids Episyrphus balteatus.
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How to cite this article:

Akhtar Ali Khan. 2017. Functional Response of Four Syrphid Predators Associated with Mealy Cabbage Aphid, Brevicoryne brassicae L. on Cruciferous Vegetables.Int.J.Curr.Microbiol.App.Sci. 6(7): 2806-2816. doi: https://doi.org/10.20546/ijcmas.2017.607.391