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Effect of different diets on the body indices of Granite Ghost Dragonfly Nymph Bradynopyga geminata

. M.P. Jeyasekhar and G. Srinivas


Abstract

The present experimental study was conducted on Granite Ghost Dragonfly nymph Bradynopyga geminata. The nymphs were fed with four different diets and their association with length and weight measurements was taken into account, before and after the experimental period of seven weeks. Diet of nymph consists of mosquito larva, chironomus larva, earthworm, mixed diet and control group was also maintained.  The length of nymphs fed mosquito larva 1.6 cm, chironomus larva 1.6 cm rest of them earthworm, mixed diet and control group larval length reached 1.8 cm during the seventh week. The weight of nymph mosquito larva 0.17gm, chironomus larva 0.2 gm earthworm 0.24gm, control group 0.25 mixed diet 0.29 gm.

Index Terms - chironomus, dragonfly, earthworm, mosquito, nymph

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