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Abstract
Mustard oil is the common edible oil extracted from rai seeds (Brassica campestris) and white seeds (Brassica nigra). It is a robi crop. Seven insects pest, mainly Cletus bipunctatus (Family- coreidae), Spilostetthus hospes (family – lygaeidae), Coccinella septempunetata (family- coccinellidae), Coccinella transversalis (family- coccinellidae), Micraspis discolor and two aphid population such as Brevicoryne brassicae, Lipaphis sp. were documented from narajole and its adjoining area.