Natural infections with promastigotes in man-biting species of sand flies in leishmaniasis-endemic areas of Ecuador.
Natural infections with promastigotes in man-biting species of sand flies in leishmaniasis-endemic areas of Ecuador.
复制标题
厄瓜多尔利什曼病流行地区咬人白蛉的前鞭毛体自然感染。
DOI：
10.4269/ajtmh.1985.34.440
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发表时间：
1985
期刊：
影响因子：
--
通讯作者：
M. Kawabata
中科院分区：
文献类型：
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作者：
Y. Hashiguchi;E. A. Gómez Landires;V. De Coronel;T. Mimori;M. Kawabata
为了确定厄瓜多尔利什曼病的传播媒介，对卡尼亚尔省的1 054只人咬沙蝇进行了解剖和前鞭毛体检查。有两种咬人的物种，卢。trapidoi和Lu. hartmanni在这个疾病流行地区。前者的感染率为7.7%，后者为3.9%，说明不同地区和海拔的感染率不同。感染率和一天中的时间之间存在关联，这表明与白蛉物种的叮咬活动有关。在5个部门的7个研究区，采用人饵采集，识别出6种咬人物种，表明不同地区的优势种不同。据推测，优势种将发挥重要作用，作为主要媒介的利什曼病在每个流行区。至于目前利什曼原虫前鞭毛体的种属确定，可以说寄生虫是利什曼原虫属，可能是L. Braziliensis S.L.，直到分离株定型
In order to determine the vectors of leishmaniasis in Ecuador, 1,054 man biting sand flies from the Department of Cañar were dissected and examined for promastigotes. There were 2 man-biting species, Lu. trapidoi and Lu. hartmanni in this endemic area of the disease. The infection rates were 7.7% in the former and 3.9% in the latter species, demonstrating the different rates in various localities and altitudes of the study areas. There was an association between infection rates and the time of day, suggesting some connection with biting activity of sand fly species. In collections using human bait at 7 study areas in 5 Departments, 6 man-biting species were recognized, indicating different dominant species in each area. It was assumed that the dominant species would play an important role as the principal vector of leishmaniasis in each endemic area. As to species determination of the present Leishmania promastigotes, suffice it to say that the parasites are Leishmania sp., presumably L. braziliensis s.l., until the isolates have been typed.