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Studies on the morphometry of the green peach aphid, Myzus persicae (Sulzer) (Homoptera: Aphididae)
Potshangbam Bijaya DEVI,Thangjam Kameshwor SINGH 한국곤충학회 2007 Entomological Research Vol.37 No.2
Aphids are one of the most important groups of phytophagous insects because of their olyphenism, host alternation, heteroecious behavior and reproductive habits. Laboratory culture of the aphidMyzus persicae on the host plant Brassica pekinensis Hubner was maintained seasonally for biometrical studies. The metric analysis revealed gradual developmental changes from the first instar nymph to the adult stage in size, shape, and a number of characters. The transitional changes were sufficiently distinct to allow differentiation of each of the life stages irrespective of the season. A key to the nymphal stages of the pest is provided.