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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

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2018, Vol. 6, Issue 2
Impacts of abiotic factors on population fluctuation of Melanitis leda ismene (Cramer) and Cnaphalocrocis medinalis (Guenee) of paddy in Mizoram, India

T Boopathi, SB Singh, T Manju, SK Dutta, AR Singh, Y Ramakrishna, S Chowdhury, Lungmuana, V Dayal and S Saha

The present investigation was undertaken to know the impact of abiotic factors on the population fluctuation of Melanitis leda ismene (Cramer) (Lepidoptera: Satyridae) and Cnaphalocrocis medinalis (Guenee) (Lepidoptera: Pyralidae) in rice agro-ecosystem under rain fed low land conditions in Mizoram, India during Kharif season in both 2013 and 2014. Results showed that C. medinalis were the first to attack the crop during last week of August, whereas M. leda ismene was recorded during second week of September i.e., 37th SMW. The incidences of C. medinalis and M. leda ismene varied due to season. The highest incidences of C. medinalis (6.8/10plants) and M. leda ismene (16.3/10plants) were found during September. Minimum temperature and rainfall showed significant correlation with incidecnes of C. medinalis and M. leda ismene. During the pooled year when there was abrupt fall in morning RH, rainfall and rainy days a build-up in M. leda ismene incidence was observed. When there was increase in morning RH and rainfall a build-up in C. medinalis incidence was recorded. These studies clearly indicate that weather factors play a vital role in C. medinalis and M. leda ismene incidence, which is essential for development of management strategies.
Pages : 567-571 | 401 Views | 12 Downloads
How to cite this article:
T Boopathi, SB Singh, T Manju, SK Dutta, AR Singh, Y Ramakrishna, S Chowdhury, Lungmuana, V Dayal, S Saha. Impacts of abiotic factors on population fluctuation of Melanitis leda ismene (Cramer) and Cnaphalocrocis medinalis (Guenee) of paddy in Mizoram, India. J Entomol Zool Stud 2018;6(2):567-571.
Journal of Entomology and Zoology Studies
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