蜡丝
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若蚜出生2d后,体表产生蜡丝,10d左右形成蜡球。
The nymphs born after 2 days , produce wax thread . The wax thread of nymphs body are more clearer and thicker .
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雌成虫分泌的蜡质为长而卷曲的空心蜡丝。
However , the adult female secreted many long , coil and hollow wax threads .
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而雌成虫蜡被是由粗蜡管及其周围的细长蜡丝组成。
The wax covering of adult female is made up of thick wax tube and thin wax filaments .