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- An insect pest fatal to cotton had struck the crop. 棉花遭受了一種致命的蟲害。
- The severe frost kill off most of the insect pest. 嚴霜殺死了大多數害蟲。
- Review on Cultivation and Insect Pest Control of Rhododendron L. 杜鵑花培育及常見病蟲害防治技術研究進展。
- Erythroneura melia Kuoh is a serious insect pest on chinaberry. 苦楝斑葉蟬是苦楝樹上的重要害蟲。
- Dent, D. Insect Pest Management (2nd Edition). CABI Publishing. 2000. 江靜波等。無脊椎動物學。北京:高等教育出版社,1992。
- Dendrolimus punctatus is the most destructive forest insect pest in China. 馬尾松毛蟲一直是我國最嚴重的森林食葉害蟲之一。
- Many pest situations are caused by natural phenomena. 許多害蟲的情況都是由自然現象造成的。
- The insecticide will kill off the insect pests. 這情形劑可消滅害蟲。
- Integrated insect pest control and effective water management should be developed. 發展病蟲害防治和水分管理措施。
- The competent forest authorities at various levels shall be responsible for the organization of the work of forest insect pest prevention. 各級林業主管部門負責組織森林病蟲害防治工作
- Diomea cremata Butler,a noctuid insect pest of mushroom,was newly found in Fujian Province. 本文報道的星狄夜蛾 Diomea cremata Butler 是福建省食用菌害蟲的新記錄.
- Article 22 The competent forest authorities at various levels shall be responsible for the organization of the work of forest insect pest prevention. 第二十二條 各級林業主管部門負責組織森林病蟲害防治工作。
- Abstract In recent years, the codling moth Laspeyresia pomonella (L.) has spread from the Hexi Corridor to inland apple production areas of China, and the pest situation is serious. 摘要 蘋果蠹蛾近年來正從甘肅河西走廊向內地蔓延,形勢十分嚴峻。
- The results showed: the peach borer has been one of the most important corn insect pest. 結果表明:桃蛀螟已成為玉米的主要害蟲之一。
- In the insect pest of balsamine, the mainest is mite, the red spider that often says namely. 在鳳仙花的蟲害中,最主要的是蟎,即常說的紅蜘蛛。
- DDT sprayed into the air kills mosquitoes and other insect pests. 噴射到空氣中的DDT能殺死蚊子和其他有害昆蟲。
- The spruce bark beetle is the major tree-killing insect pest of Alaska spruce forests. 雲杉樹皮甲蟲是阿拉斯加雲杉樹林中危害樹木的主要害蟲。
- In this paper,influence factors of insect pest occurrence of urban green-land were studied. 為有效控制城市綠地害蟲,對城市綠地蟲害發生的影響因素進行了研究。
- Insecticides are widely used for controlling most insect pests. 殺蟲劑廣泛應用於防治大多數害蟲。
- Bemisia tabaci (Genn.) is a serious insect pest of many crops throughout the tropics and subtropics. 本研究在調查了煙粉虱Bemisia tabaci (Gennadius)種群分佈規律的基礎上,從37種常見植物中篩選出15種對煙粉虱成蟲產卵驅避作用效果較好的植物次生物質,並運用生命表方法、種群趨勢指數和種群干擾作用控制指數等方法進一步對其評價。