他们往一半巢穴各放入60只鸡蚤。
这房间里虱蚤横行。
好几种沙蚤会攻击人。
温度对消化速度的影响大于蚤龄。
灭虱与灭蚤的效果是否相同？
目的研究张家口市蚤的种类及其分布。
Objective To study species and distribution of fleas in Zhangjiakou.
因此，一旦鸟长出羽毛，鸡蚤就离开了。
Once a bird fledges, therefore, it leaves its parasites behind.
用显微镜的测微尺镜下测量蚤卵的直径。
Measure the diameter of the flea egg with wee ruler of microscope.
典型的例子就是这个海鞘类砂海星属体蚤。
天然精油驱蚤颈圈的功能？
鼠蚤会把疾病传染给人。
方法洞穴粘捕法和宿主动物体表检蚤法。
Methods Catching by gluing in the cave vicinity and body surface of host's animal.
主要蚤种是印鼠客蚤。
恙螨，又称沙蚤，能引起患犬瘙痒、红斑、皮屑。
Chiggers, also known as harvest mites, can cause itching, redness and crusting in dogs.
这是非常重要的是，你喷雾一切合适的防蚤喷剂。
It's very important that you spray everything with a suitable anti-flea spray.
未定种蚤一种。
沙蚤叮咬治疗与技巧在这个自由视频从消防队员急救。
Treat sand flea bites with tips from a firefighter in this free video on first aid.
目的掌握塔里木盆地啮齿动物体外寄生蚤的群落组成和结构。
Objective to grasp the community composition and structure of ectoparasite fleas on rodents in the Tarim Basin.
身上有蚤虫或肮脏的人，不得进入或停留在任何游乐场地内。
No person in a verminous or filthy condition shall enter or remain in any pleasure ground.
结果：所研究的五种蚤在相应的宿主体表均表现为聚集型分布。
Results: all the five flea species studied in this paper show an aggregated distribution pattern among the individuals of their corresponding small hosts.
氟虫腈在水中的质量浓度达到LC50时对大型蚤的种群有影响。
The certain concentrations of fipronil approaching the LC50 can negatively affect population parameters of Daphnia pulex.
天然精油驱蚤颈圈附有纯天然植物萃取的驱虫系精油，安全无毒性！
It contains the pest control essential oil abstracted from pure natural plants, safe and nontoxic.
经蚤类叮咬所致的间接传播是染疫啮齿动物与人之间最常见的传播方式。
Indirect transmission through the bite of a flea is the most common route of transmission between plague-infected rodents and humans.
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.
以藻类、蛋黄、水氵蚤和鳗鱼饵料为饵料饲喂斑腿泛树蛙蝌蚪，观察其生长情况。
The growth condition of ?Polypedates megacephalus? tadpoles were observed when fed respectively with algae, egg yolk, water flea and eel fodder.
目的：调查研究云南省野鼠型自然疫源地蚤类组成、优势蚤种及其空间分布格局。
Objective: To investigate the constituent of flea species, the dominant fleas and their spatial distribution patterns in the natural epidemic focus of wild-rat type of plague in Yunnan province.
病媒生物：指能够将病原体从人或者其他动物传播给人的生物，如蚊、蝇、蚤类等。
Vector organisms refer to organisms that can transmit pathogens from human beings or other animals to human beings, such as mosquitoes, flies and fleas.
病媒生物：指能够将病原体从人或者其他动物传播给人的生物，如蚊、蝇、蚤类等。
Vector organisms refer to organisms that can transmit pathogens from human beings or other animals to human beings, such as mosquitoes, flies and fleas.
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