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Vol. 10, Special Issue 12 (2021)

Life cycle and morphometrical parameters of Coccinella transversalis Fabricious on cowpea aphid, Aphis craccivora Koch

Author(s):
Chunni Kumari, Jayalaxmi Ganguli, Nivedita Shah and Rashmi Gauraha
Abstract:
Life cycle and morphometric parameters of different stages of C. transversalis was undertaken in the Bio-control Laboratory, Department of Entomology, IGKV, Raipur, Chhattisgarh during the year 2019-20 and 2020-21 on nymphs of cowpea aphid, A. craccivora as host. The average incubation period was3.00±0.775 days, larval mean period of 1st, 2nd, 3rd and 4thinstar was 1.60±0.490, 2.10±0.300, 1.90±0.831 and 2.50±0.500 days respectively and pupal mean duration was 2.50±0.671 days. The average life cycle duration of male and female beetle was 21.00±1.000 and 35.00±0.975 days. Longevity of male and female beetle was 31- 40 and 44-54 days. The average length and breadth of eggs was 1.22±0.228 and 0.47±0.013 respectively. The average length of 1st, 2nd, 3rd and 4th instar larvae/ grubs was 1.93±0.058, 4.29±0.282, 5.31±0.252, and 7.30±0.245 respectively. The corresponding breadth of the larvae were 0.85±0.091, 1.55±0.369, 2.13±0.078, and 2.62±0.185 respectively. The length and breadth of male and female beetle were 5.43±0.303, 4.08±0.061 and 6.51±0.156, 5.10±0.168 respectively.
Pages: 1097-1100  |  368 Views  194 Downloads
How to cite this article:
Chunni Kumari, Jayalaxmi Ganguli, Nivedita Shah and Rashmi Gauraha. Life cycle and morphometrical parameters of Coccinella transversalis Fabricious on cowpea aphid, Aphis craccivora Koch. The Pharma Innovation Journal. 2021; 10(12S): 1097-1100.

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