一习性椿象,东北老乡多叫臭板虫,或臭虫母子,为辽西、热河两省产梨地区的三大虫害之一,一年发生一次,以卵态或幼虫在树皮下越冬。幼虫在翌春四月下旬开始活动,五月起羣栖于树枝干上的阴面,口器插入粗皮裂缝,吸收树液,六、七月化为成虫,加害新梢及果实。被害的树枝枯萎,果实凹陷成硬疤。天气炎热的时候,则羣栖于树干的阴面,九月上旬在背光 A habit of stinkbugs, northeast fellow called stink bug, or bugs mother and child, as the Liaoxi, Rehe region pear pests produce one of the three pests, occurs once a year to oval or larvae wintering in the bark. The larvae begin activities in the following spring in late April. From May onwards, the herd inhabites the cloudy side of the branch trunk. The mouthparts are inserted into the bark cracks and absorb the sap liquid. In June and July, the larvae become adults, damaging new shoots and fruits. Victims of the withered branches, fruit depression into hard scars. When the weather is hot, the herds inhabit the cloudy side of the tree trunk, which is backlit in early September