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紫胶虫Laccifer lacca Kerr。在自然产区內一般为每年两世代。第一世代約在五月中旬开始到十月中旬完成,第二世代起自十月中旬迄于资年五月中旬。因此第一世代可称作夏季世代,而第二世代則称作越冬世代。
Laccifer lacca Kerr. In the natural area is generally two generations per year. The first generation was completed around mid-May and mid-October, and the second generation from mid-October until mid-May. So the first generation can be called the summer generation, while the second generation is called the winter generation.