木蠹

Dendroctonus valens LeConte was recently found in outbreak in China. Its elder instars and mature larvae mainly over-winter under the roots of the pine stumps and standing trees in China.

红脂大小蠹Dendroctonus valens LeConte (Red turpentine beetle， RTB)是近年来在中国爆发的入侵生物，在我国主要以老熟幼虫在油松伐桩和立木的根部越冬。

He grins as he lists the food which can supplement his normal army-issue rations: wallabies, turtles, witchetty grubs, wild oysters.

他微笑着列举了一些能够充当部队配给粮食的食物：小袋鼠，海龟，木蠹蛾幼虫，野牡蛎。

He cool as he lists the aliment which can supplement his accustomed army-issue rations: wallabies, turtles, witchetty grubs, agrarian oysters.

微笑着列举了一些能够充当部队配给粮食的食物：小袋鼠，海龟，木蠹蛾幼虫，野牡蛎。

The studies on the dionomics of Dendroctonus valens show that this pest overwinters mainly as adult or 3~4 larva in roots of pine at Hancheng region in Shaanxi Province. It occurres 2 generations one year by adult overwintering and 1generation one year by larva overwintering.

红脂大小蠹原产北美洲 [1~3]， 1996年随木材贸易传入我国， 2001年发现于陕西省黄龙桥山林区，现已在延安和渭南地区发生危害，涉及 4个县的 18个林场，主要危害 20a生以上油松活立木的基部和根部，以成虫和幼虫蛀食树体韧皮部，短期内可导致被害木枯萎死亡。

This fungus is spread by Platypus quercivorus and easily infests the oak which grow relatively weak. Platypus quercivorus and oak fungus can be controlled by injuction of NCS into holes opened in oak.

由于该虫易侵入生长势相对较弱的栎类立木，通常危害木的树龄在 20 年以上，且以 40～50 年居多，通过钻孔注入适量的NCS等药剂后；用胶贴纸带包裹，可起到防治和杀灭栎长小蠹及&栎树菌&的目的。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。