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- And our bacswimmer is after mosquito larvae. 我们的水蜘蛛正跟在孑孓的身后。
- They also introduced fish that eat mosquito larvae into catch basins and put insecticide pellets into sewers. 他们还推荐了一种鱼，这种鱼善吃附着于下水道人口处的铁格子上的蚊子；官员们还要求大家往下水道里撒一些球状杀虫剂。
- Objective To study the effect of integrated control aimed at mosquito larvae in the urban environment. 目的研究在城市生态环境中采取针对蚊幼防治的蚊虫综合治理效果。
- The United States also funds a program in Dar es Salaam to kill mosquito larvae in the water where they are born. 美国还资助达累斯萨拉姆的一个项目，杀死蚊子在水中繁殖的幼虫。
- Bacillus thuringiensis israelensis produce crystal proteins which can be converted into toxins in the gut of the mosquito larva. 苏云金杆菌会产生蛋白质结晶体,而结晶体在蚊子幼虫的肠内化为毒素。
- To further reduce the impact on the environment, Bacillus thuringiensis israelensis are used for killing mosquito larvae. 为进一步减少对环境的影响,本署使用苏云金杆菌来杀灭蚊子幼虫。
- Cano identified it as a bacterial spore related to the modern Bacillus sphaericus, which is used to kill mosquito larvae. 卡诺确认它是一种细菌孢子，与现代的球形芽孢杆菌有亲缘关系，后者往往被用于杀死蚊子的幼虫。
- Higher than required concentration of larvicide or excessive amount of larvicidal oil would not give better result on killing the mosquito larvae. 使用较高浓度的杀幼虫剂或过量的蚊油，并不会增加杀幼虫剂或蚊油的效力。
- Any of various small livebearers of the genus Gambusia that feed on mosquito larvae and are often used in mosquito control. 食蚊鱼一种食蚊鱼属主食蚊幼虫的卵生鱼，常被用于控制蚊子的生长
- The TVA engineers who brought hydroelectric power to the South also regulated dam flow to maroon mosquito larvae and installed acres of screen in windows and doors. TVA工程师将水力发电厂带到美国南方，还调整了水坝的流量，让蚊子的幼虫无以为生，并且装置了无数的纱门与纱窗。
- Occurs in estuaries and tidal zone of rivers. Prefers fresh water, rarely found in brackish water. Feeds on small fishes and invertebrates, including mosquito larvae (Ref. 12693). 出现于河口与河的潮间带。偏爱淡水,很少地发现于半淡咸水。吃小鱼与无脊椎动物,包括蚊虫幼生。(参考文献12693
- Methods: Samples of mosquito larvae were collected in the field, and bioassay was conducted to infect them with P. carolinianum after the Identification based on their morphology. 方法:野外采集蚊幼虫标本,通过形态鉴定其种属,在实验室按标准化方法测定卡地腐霉对其感染能力。
- Objective To observe the control effect of abate,Dichlorphos and waste oil to mosquito larvae and provide basic information for its control in peacekeeping camp. 目的观察安倍、敌敌畏和废机油的灭蚊幼效果,为维和部队开展灭蚊幼工作提供依据。
- Meanwhile, it was noticed that toxicity of Bt-BS2 against susceptible mosquito larvae was higherthan that ofBt-BSI and this might be explained by the inserted direction of the binary toxin gene perhaps influencing its expression in the recipient strain. 此外，Bt-BS2的杀蚊毒力高于Bt-BS1，Bt-BS1和Bt-BS2对蚊幼虫毒力的不同可能是由于重组质粒上外源片段的插入方向影响二元毒素基因在受体菌中的表达水平的缘故。
- The United States also funds a program in Dar es Salaam to kill mosquito larvae in the water where they are born.That has cut the malaria risk in Tanzania's largest city by half since 2002. 坦桑尼亚总统基奎特对布什说：“总统先生，由于您的防治疟疾援助项目，成千上万有可能已经死亡的坦桑尼亚妇女和儿童今天仍然活在人间。”
- Objective: To probe into the number and distribution of outdoor environmental seeper, the breeding rule of mosquito larva and the risk of Dengue fever transmitted by Aedes albopictus. 摘要目的：探讨环境积水的的数量、分布，以及蚊幼孳生规律和白纹伊传播登革势的危险程度。
- In areas where malaria vector mosquitoes are detected but with a low population, mosquito larvae eating fishes are released to abate mosquito breeding. 在人口较少的地区,假如发现有传播疟疾的蚊子,本署便会投放专吃蚊子幼虫的鱼类,以遏止蚊子滋生。
- A mosquito netting completely surrounds our bed. 一顶蚊帐把我们的床完全围住了。
- The mosquito is a transmitter of disease. 蚊子能传播疾病。
- I think this worm is a larva of a butterfly. 我觉得这虫子是蝴蝶的幼虫。
