内蒙古贺兰山青海云杉枝梢和叶部害虫种类及识别

Species and identification of insect pests on shoots and leaves of Picea crassifolia in Helan Mountain, Inner Mongolia

内蒙古贺兰山国家级自然保护区是自然景观和人文景观融为一体的旅游胜地。多年来青海云杉Picea crassifolia虫害大面积发生。采用踏查和详查相结合调查青海云杉枝梢和叶部害虫种类和危害情况。结果表明:危害青海云杉枝梢和叶部的害虫共有10种,隶属6科3目,其中危害严重的为烟翅腮扁蜂Cephalcia infumata、云杉异色卷蛾Choristoneura diversana、云杉梢斑螟Dioryctria schutzeella、云杉大灰象Sympiezomias velatus。编制检索表并提出防治建议。

Helan Mountain National Nature Reserve in Inner Mongolia is a tourist attraction integrating natural and cultural landscape. Insect pest caused disaster on Picea crassifolia for many years, we adopted field survey and detailed investigation to konw the species and harm situation of pest here. The results showed that there were ten species subordinate to six families and three orders, among which Cephalcia infumata, Choristoneura diversana, Dioryctria schuezeella and Sympiezomias velatus were seriously harmed shoots and needles of P. crassifolia. We compiled the key, and prevention and control suggestions were also put forward.