荔枝椿象是我国荔枝、龙眼产区的一种主要害虫。该虫一年发生１代，成虫越冬，４月为产卵盛期，卵多产于树冠下层叶片背面，一头雌虫可产卵５～１０次，每次产卵大多１４粒。 用药防治抓住两个关键时期。一是早春越冬成虫开始活动时期，即３月中下旬，此时成虫即将产卵，抗药力 Litchi stinkbug is our country litchi, longan producing areas of a major pest. The worm occurs one generation a year, adult wintering, April is the peak of oviposition, the egg prolificate in the back of the canopy leaves, a female can spawn 5 to 10 times, most of each spawning 14. Drug prevention and control to seize the two key period. First, early spring overwintering adult began activity period, that is, in late March, when adults will lay eggs, resistance