这一型中华白蛉的比例随海拔的增高而增大。
In general, the proportion of "Form B" increased with the altitude.
栖息地调查发现畜圈内墙壁缝隙等处是白蛉的栖息地。
Resting places included the aperture on the wall of livestock sheds and in the caves.
目的：研究新疆境内白蛉的地域分布与地理景观的关系。
AIM: to explore the geographical distribution of sandfly and its relation to natural landscape in Xinjiang Uygur Autonomous Region.
利什曼病是由白蛉传播的人犬共患病，疾病影响皮肤和内脏。
Leishmaniasis is spread by the sandfly, and in the dog as well as human has both cutaneous and visceral forms.
但是由于感染利什曼原虫的白蛉数量相对较少(甚至是在流行地区)，为了获得有价值的数据，需要测试大量的标本。
But because relatively few sand flies are infected with the Leishmania parasite - even in endemic areas - a large number of specimens have to be tested to get any informative data.
但是由于感染利什曼原虫的白蛉数量相对较少(甚至是在流行地区)，为了获得有价值的数据，需要测试大量的标本。
But because relatively few sand flies are infected with the Leishmania parasite - even in endemic areas - a large number of specimens have to be tested to get any informative data.
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