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bark beetle造句
1. First came the tiny bark beetles, whose larvae have now left intricate galleries just under the bark. 2. The bark beetle in this tree does not kill them, unless they are going to die anyway. 3. First, the cedar bark beetle. 4. The Red turpentine bark beetle, Dendroctonus valens LeConte, is an invading pest of pines in China. 5. During a recent survey of fungi associated with bark beetle in Qinling Mountains of China, a new species was isolated, and the aim of this study was to describe this fungus. 6. Ips and Dendroctonus are regarded as attacking bark beetle and all species bore and damage Pinus. 7. Results from this report shows that the elm bark beetle appears in two generations per year on elm tree and the winter is passed in last instar larva in Karamay. The female lays 46—75 eggs. 8. The research perspective of fungi associated with bark beetle in China was also discussed. 9. The spruce bark beetle is the major tree - killing insect pest of Alaska spruce forests. 10. One hypothesis is that the yellow cedar decline may be caused by insect parasites, specifically the cedar bark beetle. 11. The role of semiochemicals in host selection behavior of bark beetle.