Predation and searching efficiency of a ladybird beetle, Coccinella septempunctata Linnaeus in laboratory environment.

Abstract

The predation and searching efficiency of fourth instar of predatory C. septempunctata at various densities of mustard aphid, Lipaphis erysimi (Kaltenbach) and predator was investigated under laboratory conditions. The feeding rate of predatory stage decreased at increased prey- and predator densities. Highest percent (92.80%) prey consumption was observed… (More)

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