落叶松叶蜂是危害落叶松人工林的重要害虫,幼虫取食落叶松针叶后,可将成片落叶松林针叶食光。尤其对幼树危害极大,可使新梢弯曲,枝条枯死,树冠变形,难以成林郁闭。基于此,简要介绍落叶松红腹叶蜂卵、幼虫和成虫,摸清该虫发生、发展规律及生活习性,最后从物理、化学防治2个方面进行说明。1发生及危害症状落叶松红腹叶蜂(Pristiphora erichsonii Hartig)膜翅目,叶蜂科。落叶松红腹叶蜂属食叶害虫。国内主要分布于内蒙古、黑龙江、吉林、辽宁、山西和陕西等省。落叶松叶蜂是危害落叶松人工林的重要害虫,幼虫取食落叶松针叶后,可将成片落叶松林针叶食光。尤其对 Larix lepidoptera is an important pest damage larch plantation, larvae feeding larch needles, the larch can be into a piece of pine needles light. In particular, great harm to young trees, shoots can make new shoots, dead branches, crown deformation, it is difficult to Cheng Lin Yu closed. Based on this, the larval bee eggs, larvae and adults of the larch abdomen were briefly introduced to find out the occurrence, development and habits of the larvae. Finally, two aspects of physical and chemical control were described. 1 Occurrence and Harmfulness Symptoms Larch (Apis mellifera erichsonii Hartig) Hymenoptera, Phyllidae. Larix bearded belgian leaf insects. The country is mainly distributed in Inner Mongolia, Heilongjiang, Jilin, Liaoning, Shanxi and Shaanxi provinces. Larix lepidoptera is an important pest damage larch plantation, larvae feeding larch needles, the larch can be into a piece of pine needles light. Especially right