lac insect

lac-insect的词性：
n.（名词）

1. Any of various insects of the subfamily Lacciferinae, especially Laccifer lacca of southern Asia, the female of which secretes lac.
紫胶虫：任一种属于胶蚧亚科的昆虫，尤指南亚的紫胶虫属 ，雌虫能分泌紫胶