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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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2014, Vol. 2, Issue 6
Effect of quantity of water on the feeding efficiency of dragonfly Nymph - Bradynopyga geminata (Rambur)

R. Avila Varshini, M. Kanagappan

Vector-borne diseases such as malaria, filariasis, Japanese encephalitis, dengue and many other arboviral diseases are emerging and resurging as serious public health problems. Chemical pesticides and insecticides failed to give sustained control. Among various predators of mosquito larvae, dragonfly nymphs are efficient, found naturally, safe for human beings, and are also economical in their application. Many factors that affect the feeding efficiency of dragonfly nymphs were studied in the present experiment and one among them was the quantity of water, which negatively correlated (-0.96304) with the feeding efficiency of odonate larvae Bradynopyga geminata. The maximum prey consumption 33.37 was recorded when the quantity of water was 100 ml and minimum predation 12.33 was recorded when it was 500 ml.
Pages : 249-252 | 757 Views | 13 Downloads
How to cite this article:
R. Avila Varshini, M. Kanagappan. Effect of quantity of water on the feeding efficiency of dragonfly Nymph - Bradynopyga geminata (Rambur). J Entomol Zool Stud 2014;2(6):249-252.
Journal of Entomology and Zoology Studies
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