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2009年46 No.6
Method for marking location and determining developmental stage of Bemisia tabaci nymph
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Abstract： It had been observed that the nymphs of the whitefly,
Bemisia tabaci(Gennadi
us), would not move after feeding in the late first instar. A method for marking the
locations of the nymphs on host leaf was developed based on the printed photos on A4 paper taken with digital camera. Furthermore, the morphological change of nymphs was observed, and the relationship between the body size and the instars of B. tabaci nymphs was analyzed with this method. The results indicated that nymphs of different instars could be distinguished according to their body size and
morphology.