褐飞虱虫口密度和为害持续时间对水稻挥发物的活性具有明显的影响。
Nilaparvata lugens density and continuously feeding time obviously influenced the activity of volatiles emitted from rice plants attractive to the parasitoid.
随着带病毒蜱虫附着人体时间增加，莱姆螺旋体感染几率也随之提升(24小时0%，48小时12%，72小时79%，96小时则高达94%。)幼虱作用人体约需30小时，成虫仅需10小时，幼虱约是成虫的2倍。
The probability of transmission of Lyme disease spirochetes increases the longer an infected tick is attached 0% at 24 hours, 12% at 48 hours, 79% at.
加拿大和挪威科学家都已经发现，来自渔场的海虱和其他寄生虫能感染经过的红鲑，导致红鲑的生存机率下降。
Studies by local and Norwegian scientists have found that sea lice and other parasites from the fish farms can infect the passing sockeye, reducing their chance of survival.
除了对跳蚤和虱类有效，还可否杀寄生虫？
螨虫、介壳虫和粉虱偶尔也会看上多肉，造成更大的麻烦，而且很难去除。
Mites, scale, and white fly are occasionally attracted to succulents, pose a more serious problem, and are difficult to eradicate.
抗虫鉴定结果发现这些纯系对褐飞虱具有明显的抑制作用。
Insect bioassay results showed that these homozygous lines had significant inhibition to brown planthopper.
挪威和苏格兰的鲑鱼养殖场，全球最大的两个鲑鱼出口国，已被海虱侵袭，海虱是千百年来靠鲑鱼血液和皮肤生活的寄生虫。
Salmon farms in Norway and Scotland, two of the world's largest exporters, have been decimated by sea lice, a parasite that has feasted on the blood and skin of salmon for millennia.
目的调查珠海口岸地区鼠体表寄生虫蚤、革螨、恙螨、蜱、吸虱的种群组成。
Objective To investigate species composition of gamasid mites, chigger mites and flea on the rodent in Zhuhai Port.
灵敏度分析显示，温度是影响褐飞虱种群数量动态的最关键因素，其次为初始迁入虫量、天敌和水稻生育期。
The sensitivity analysis showed that the temperature was the most important factor, the other key factors included initial population size, natural enemy and rice development stage.
在人工气候室不同温度下测定龙眼角颊木虱的各个虫态及全世代的发育起点温度和有效积温。
The developmental zero and effective accumulated temperature for individual development of Cornegenapsylla sinica were measured by the experiment under constant temperature in the climatic chamber.
报道了龙眼角颊木虱的各个虫态及全世代的发育起点温度和有效积温，并与实际发生情况作了初步验证。
This paper dealt with the developmental temperature and effective accumulated temperature of different stage and whole generation of Longan psyllid.
对于防治宠物身上的跳蚤、壁虱或寄生虫，有些精油具有不错的疗效。
Some essential oils have good effect on fleas, ticks or other parasites, for example, mint, lemon, sandalwood, eucalyptus, geranium, citronella grass, etc.
吸虱是寄生于真兽类哺乳动物体表的专性吸血寄生虫，广布于世界各地。
Sucking lice are exclusively hematophagous ectoparasites of eutherian (placental) mammals, and are worldwide distribution.
采用GJ89型粮虫陷阱检测器对钢板仓害虫物种分布组成及主要害虫书虱和螨类在不同储藏期各部位的分布进行了调查研究。
GJ89 type probe traps were used to monitor stored grain insects species, distribution in different storage periods in the steel silo.
本发明是一种农药组合物。本发明的组合物组分a是虱螨脲，组分B选自虫螨腈和氟虫腈中之一种。
The invention relates to a pesticide composite, which has a component a and a component B, wherein the component a is lufenuron and the component B is selected from one of chlorfenapyr and fipronil.
这表明褐飞虱的致害性是可变异的，水稻品种抗、感虫特性是其转化的诱因。
It is suggested that virulence of rice brown planthopper was variable and the character of variety resistant or susceptible to insect was the exterior factor of virulent shift.
1990年以后，以前表现抗虫的杂交稻变得高感褐飞虱。
After 1990, previously BPH-resistant hybrid rice became highly susceptible to BPH.
由于抗虫品种抗虫机制及其遗传背景的差异，褐飞虱在不同的抗虫品种上致害性转化的进程和速率亦不同。
The course and rate of the shift of virulence differed from different resistant varieties as a result of their diversities in both resistant mechanism and genetic background.
比较研究了当年采自田间的褐飞虱种群与上一年虫源在室内越冬繁殖种群对不同抗虫品种的致害性差异。
The virulence characteristics of brown planthopper, Nilaparvata lugens Stal, from paddy field population and greenhouse population collected in late rice field last year was compared.
灰飞虱的麦田一代是其虫量扩增并向水稻迁移的重要时期，也是防治的重点时期之一。
The first generation of SBPH in wheat fields is the important period when the population enlarge and disperse to rice fields, and one of key periods for controlling it.
浙江和广西褐飞虱将卵产在IR26上，而云南虫源则产在TN1上。
Most eggs of Zhejiang and Guangxi population laid on IR26 and the Yunnan population, however, laid about 50% eggs on TN1.
灵敏度分析显示，温度是影响褐飞虱种群数量动态的最关键因素，其次为初始迁入虫量、天敌和水稻生育期。
The sensitivity analysis showed that the temperature was the most important factor, the other key factors included initial population size, natural enemy and rice development stage. Post variation...
灵敏度分析显示，温度是影响褐飞虱种群数量动态的最关键因素，其次为初始迁入虫量、天敌和水稻生育期。
The sensitivity analysis showed that the temperature was the most important factor, the other key factors included initial population size, natural enemy and rice development stage. Post variation...
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