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光肩星天牛我省1年1代和2年1代,以不同龄期的幼虫在树干内越冬。次年3月下旬开始活动,5月上、中旬在坑道末端化蛹。成虫6月中旬羽化,7月中、下旬为盛期,10月初仍可见到少量成虫。成虫羽化,2—3天后进行交尾,交尾后3—4天开始产卵。卵单粒产于刻槽内,卵期约12天。初孵幼虫取食韧皮层和边材,3龄以后蛀入木质部,10月停食越冬。防治方法1、营林措施,选择毛白杨等抗虫品
Light shoulders star beetle 1 year in our province 1 and 2 years 1 generation, larvae of different ages in the trunk of the winter. The following year the end of March to begin activities in May, mid and late in the end of the tunnel pupation. Adult emergence in mid-June, mid-July, mid-term peak, early October can still see a small number of adults. Adult emergence, 2-3 days after mating, 3-4 days after mating start spawning. Eggs single grain produced in the groove, the egg period of about 12 days. The newly hatched larvae feed on the phloem and sapwood, eroded the xylem after the third instar and stopped overwintering in October. Control methods 1, forest management measures, such as poplar and other insect-resistant products