Author(s): P. BEHERA AND D. R. SHARMA

Abstract: Six aphid species have been studied for their proportion and morphometry, especially on different fruit crops like citrus, peach and pear in Punjab using Scanning Electron Microscope. In fourth nymphal instar and alate adult, body length was the maximum in M. persicae (2.04 ± 0.03 mm) on peach followed by on citrus during spring season. The minimum body length of nymph was observed in B. helichrysi (1.37 ± 0.03 mm) while that of alate in A. gossypii.

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