油茶毒娥以幼虫取食叶片而使植株受害。一般第一代的一、二龄幼虫多取食刚展开的新叶,第一代一、二龄幼虫多取食老叶,被害处留下上表皮,食口均呈不规则的圆形。三龄幼虫的食口向叶的先端扩散,四龄被害叶仅存侧脉,五龄后从叶缘取食全叶,使呈缺刻状或仅留叶柄。一至五龄群集取食,六龄后开始分散取食。第 Camellia poison E larvae feeding leaves and plant damage. In general, the first and second instar larvae of the first generation eat more new leaves just after they are started. The first and second instar larvae feed on the old leaves and leave the upper epidermis at the victims. The mouths of the first generation are irregularly circular. Third instar larvae of the mouth to the tip of the leaves of the proliferation of the fourth instar victim leaves only lateral veins, after five years from the leaf margin feeding the whole leaf, leaving the nick-shaped or leaving only petioles. One-to-five-age cluster feeding, six-year-old began to disperse feeding. No.