【摘要】 云杉腮扁叶蜂隶属于膜翅目扁叶蜂科,是一种取食云杉针叶的害虫。该害虫一年发生1代,以幼虫于地面下越冬。翌年4月末至5月初开始化蛹,5月上旬开始羽化成虫,并从土层下飞出,5月中下旬产卵于云杉针叶上,幼虫孵化后取食针叶,7月下旬至8月底,老熟幼虫坠落入土越冬。受害云杉针叶变黄至枝条枯萎,严重的整个树冠像火烧一样,树势衰弱,甚至枯死。更多还原

【Abstract】 Cephalcia abietis Linnaeus was a kind of pest which was fed by Picea asperata Mast. needle belonged to Hymenoptera Pamphiliidae. It happened 1 generation per year and the larvae overwintered underground. It began to pupate in late April and the beginning of May. The eclosion adult which fly off from earth layer happened in the beginning of May. It spawned on Picea asperata Mast. needle in middle and late May. The larvae fed by needle after hatching. The mature larvae fell into soil to overwinter in late July to the end of August. The affected Picea asperata Mast. needle turned yellow until the branches were withered. The Seriously,the whole crown was like burning fire. The tree was weak even to death.更多还原