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1·The cane toad was introduced back in 1935 to control an insect pest that was destroying Australia's sugarcane plantations.

蔗蜍早在1935年就被引进，以控制一种破坏澳大利亚甘蔗种植园的害虫。

2·Control way of insect pest.

虫害控制方法。

3·An insect pest fatal to cotton had struck the crop.

棉花遭受了一种致命的虫害。

4·Thus, CMS lines are needed to improve insect pest resistance in hybrid rice.

因此，杂交稻抗虫性的提高有赖于不育系的改良。

5·Dendroctonus valens is a dangerous insect pest of several pine species in China.

红脂大小蠹是我国一种危害油松等松树的外来入侵物种。

6·The system will greatly improve the prevention of cotton diseases and insect pest.

此系统的建立将对我国棉花病虫害防治具有现实性的意义。

7·Forest insect pest and disease is one of the main factors influencing forest health.

森林病虫害是影响森林健康的主要因素之一。

8·The results showed: the peach borer has been one of the most important corn insect pest.

结果表明：桃蛀螟已成为玉米的主要害虫之一。

9·Some suggestions for the further control and study on this insect pest were also proposed.

对今后的防治和研究提出了一些建议。

10·Dioryctria rubella Hampson is an important insect pest of the piney shoot, bud, cone and trunk.

微红梢斑螟是危害松类的嫩梢、球果、芽和干的重要害虫。