According to Professor Lin, who has been doing research on organic farming for many years, every year, around April or May, long-horned beetles lay their eggs near the base of tree trunks. As soon as the larvae hatch they begin to bore into the trunk, and continue eating until they have devoured the entire pith of the tree.
鑽研有機農作多年的林碧霞博士解釋，每年 4、5 月左右，星天牛在樹頭（樹幹底部）附近產卵，幼蟲孵化後一旦鑽進樹幹，就會一路啃喫，把整棵樹心吃光。