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- Abstract: Agasicles hygro phila is a hollow philoxeroides important natural enemies of insect feeding exclusively. 摘 要 ： 空心蓮子草葉甲是空心蓮子草重要的專(zhuān)食性天敵昆蟲(chóng)。
- Resources of natural enemies of insect pests in apple orchard were systemally studied in apple orchards in Shanxi province. 摘要對陜西不同地區蘋(píng)果園天敵昆蟲(chóng)進(jìn)行了調查研究，結果獲得天敵昆蟲(chóng)17種，隸屬于8目11科。
- On the Use and Protection of the Natural Enemies of Insect Pests in the Seed Stands of Picea crassifolia 青海云杉母樹(shù)林害蟲(chóng)天敵資源及保護利用
- Birds are the natural enemies of many insect pests(= they kill them). 鳥(niǎo)類(lèi)是許多害蟲(chóng)的天敵。
- natural enemies of insect 天敵昆蟲(chóng)
- natural enemies of insect pests 天敵昆蟲(chóng)
- The owl is the natural enemy of mice and rats. 貓頭鷹是鼠類(lèi)的克星。
- These small insects must be destroyed.Rachid Hanna advises farmers to use biological controls such as natural enemies of the aphids. 他建議農民們采用如蚜蟲(chóng)的天敵這樣的生物手段來(lái)消滅它們。
- The results showed that the insect pest h ad eight generations or so annually in Baishan and overwinters as pupa in greenh ouse.Three natural enemies of parasitism were discovered as well. 該蟲(chóng)在白山地區以蛹在溫室內越冬,一年約發(fā)生8代,還發(fā)現了3種寄生性天敵。
- The forestry administration says it plans to launch an extermination campaign that includes insecticides and natural enemies of the moths. 國家林業(yè)局說(shuō)，計劃進(jìn)行滅蟲(chóng)運動(dòng)，包括使用農藥和白蛾的天敵。
- natural enemy of insect 天敵昆蟲(chóng)
- Hurry up and grow! Workers at Taiwan Sugar raise natural enemies of the sugarcane borer. 但愿蟲(chóng)快長(cháng)大！糖廠(chǎng)工人把米蟲(chóng)卵撒在米上。
- Results The results showed that Type-C botulin had high safety without killing natural enemies of rodent. 結果C型肉毒毒素有很高的安全性,不傷害鼠類(lèi)天敵;利用0。10%25、0。15%25、0。
- Rachid Hanna advises farmers to use biological controls such as natural enemies of the aphids. 拉齊德漢納建議農民們采用諸如引入蛀蟲(chóng)天敵的生物控制方法。
- Most members of the shielding species are harmful but the Chinese predatory stinkbug is the natural enemy of many injurious insects. 蠋蝽是蝽的一種。蝽有多種，多為害蟲(chóng)，而蠋蝽卻是多種害蟲(chóng)的天敵。
- One potentially cheap and self-sustaining method of halting the spread of bracken is to introduce natural enemies of the plant. 一種廉價(jià)的能終止歐洲蕨蔓延且能自我維持的潛在方法就是引進(jìn)該植物的天敵。
- She heard nothing but the chirps and whirrs of insects. 除了蟲(chóng)的鳴叫聲外,她什么也沒(méi)聽(tīng)見(jiàn)。
- The results indicated that Coccinellidae and Chrysopidae as primary natural enemies of Aphis gossypii significantly reduced the aphid population in self-controlled cotton field. 結果表明，不施藥棉田中草蛉和瓢蟲(chóng)對棉蚜有著(zhù)良好的自然控制能力；
- A chemical agent that kills eggs, especially the eggs of insects. 殺卵劑一種殺死卵的化學(xué)藥劑，尤指殺死蟲(chóng)卵的殺蟲(chóng)劑
- All around was a drowsy hum of insects. 到處是一片小蟲(chóng)的催眠似的嗡嗡聲。
