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樟子松扁叶蜂,属膜翅目,扁叶蜂科。虫体中等,取食樟子松新老针叶,对樟子松人工林有严重威胁。生活史及习性5月中旬越冬老熟幼虫开始化蛹,5月下旬化蛹盛期。5月下旬至6月上旬成虫羽化出土,6月中旬羽化末期,即成虫交尾产卵。每一雌成虫产卵约40粒。6月下旬成虫活动末期,为幼虫孵化盛期。幼虫在初孵阶段,由危害新梢针叶使其身体逐渐增长,活动力也增强。食新梢针叶过程完成于幼龄阶段,需3—5天。之后,转移到先一年生的梢部吃针叶。6月下旬至7月中旬为幼虫的危害期。尤
Pinus sylvestris flat leaf bee, is Hymenoptera, flat-leaf bee. Insect medium, feeding Pinus sylvestris new old coniferous pine plantations have a serious threat. Life history and habits In mid-May overwintering mature larvae began to pupate, in late May pupation Sheng period. May late May to early June emergence of adult insects, emergence of the end of mid-June, that is adult eggs spawning. Each female adult spawns about 40 grains. The late adult activity in late June, the larvae hatch peak. Larvae in the initial incubation stage, by the new shoots needles to make their bodies gradually increase their activity also increased. Needle shoots are completed in young age, 3-5 days. After that, transfer to the tip of the first year to eat conifers. Late June to mid-July larvae harm. especially