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- Egg parasitoids of the genus Trichogramma are widely used in biological control against Lepidopterous pests. 赤眼蜂属是生物防治中广泛用来防治鳞翅目害虫的一类重要天敌昆虫。
- Keywords insecticide;lepidopterous pests;biological properties;synthesis; 杀虫剂;鳞翅目害虫;生物活性;合成;
- They use ultraviolet lamp to kill pests. 他们使用紫外线灯杀死害虫。
- Stores of grain are frequently attacked by pests. 储存的谷物经常受到害虫的破坏。
- Lepidopterous pests 鳞翅目害虫
- The potato is vulnerable to several pests. 马铃薯易受几种害虫的侵害。
- The spread of pests damaged countless fruit trees. 虫害的蔓延损害了无数果树。
- In those days they had to fight the pests barehanded. 那时候他们得赤手空拳和虫害作斗争。
- An obtuse, boring, or bothersome person; a pest. 讨厌的人愚钝的、无聊的或讨厌的人; 害人精
- Stores of grain are frequently attacked by pests, especially rats. 储存的 物经常受损坏,尤其是老鼠为患最甚。
- Metaflumizone, a new insecticide for controlling Lepidopterous and some Coleoptera pests, was briefly reviewed. 氰氟虫腙是一种新型的杀虫剂,主要用于防治鳞翅目和部分鞘翅目害虫。
- The pests spread quickly in these regions and there was a shortage of labour. 虫害在这些地区迅速蔓延,劳动力又很紧张。
- It won't be long before we can be rid of the pest altogether. 不要太久,我们就能把这种害虫消除干净。
- The insecticide will kill off the insect pests. 这情形剂可消灭害虫。
- Cats can help rid the home of unwanted pests. 猫能帮忙清除家里讨厌的老鼠。
- Insects, which eat crops, are pests. 吃庄稼的昆虫是害虫。
- Insects which eat crops are pests. 吃庄稼的昆虫是害虫。
- I was a nuisance, an incumbrance, and a pest. 我是一个讨厌的东西,一个累赘,和一个祸害。
- How many loses caused by cotton pests in 2002, USA? 2002年美国棉花害虫引起的损失有多少?
- The spreadof pests damaged countless fruit trees. 虫害的蔓延损害了无数果树。