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International Journal of Zoological Research
Year: 2006  |  Volume: 2  |  Issue: 1  |  Page No.: 30 - 33

Biology and Feeding Potential of Coccinella septumpunctata on Mustard Aphid, Lipaphis erysimi

Rizwana Khursheed, Barkat Hussain, S.B. Ahmad and M. Ashraf    

Abstract: Different developmental stages of Coccinella septumpunctata was observed that the egg, larval, pre-pupal and adult stages occupied more duration in first generation as compared to second, total larval period 16±1.73 days and pupal period, 7.5±0.87 days was more in first generation in contrast to second 13.5±0.87 days and 6.5±0.87 days, respectively. However, similar was the trend with respect to longevity of males and females.Adult stage of Coccinella septumpunctata consumed more aphids in both generations as compared to larval. Nevertheless, when a comparison was made, between larval instars, it was observed that older larvae consume more number of aphids/day than younger ones.

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