Ectoparasitic chigger mites on large oriental vole (Eothenomys miletus) across southwest, China
Ectoparasitic chigger mites on large oriental vole (Eothenomys miletus) across southwest, China
复制标题
中国西南部大型东方田鼠（Eothenomys miletus）上的体外寄生恙螨
DOI：
10.1007/s00436-015-4780-9
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发表时间：
2016-02-01
影响因子：
2
通讯作者：
Fan, Rong
中科院分区：
文献类型：
--
作者：
Peng, Pei-Ying;Guo, Xian-Guo;Fan, Rong
2001 - 2013年，在西南地区39个地点对大东方绒鼠（Eothenomys miletus，啮齿目：仓鼠科）的恙螨进行了调查，共捕获和检查了2463只宿主，样本量较大。从E.结果表明，共采集恙螨49,850只，经鉴定计有恙螨科（Trombiculidae）和列文虎克螨科（Leeuwenhoekiidae）2科3亚科13属175种。本文报道了175种恙螨的分布情况。大耳恙螨（E. miletus）在我国西南地区的分布极显著地超过了国外在一个地区或一个国家的多种宿主上所记录的全部恙螨种数，这表明我国西南地区的大耳恙螨（E.大米利都的体表极有可能藏有丰富种类的恙螨。在175种螨类中，小盾纤恙螨是优势种，已被证实是我国恙虫病的主要传播媒介之一，也是肾综合征出血热（HFRS）的潜在传播媒介。用斑块指数（m*/m）衡量恙螨优势种的空间分布格局，三种优势种恙螨（L. Scutellare、中华纤恙螨（Leptotrobidiumsinicum）和Heleniculasimena）在不同寄主个体间呈聚集分布。用关联系数（V）来衡量优势螨种间的相互作用，优势螨种间的关联性较弱。scutellare和L.中华绒螯蟹（V=0.28，P
An investigation of chigger mites on the large oriental vole, Eothenomys miletus (Rodentia: Cricetidae), was conducted between 2001 and 2013 at 39 localities across southwest China, and 2463 individuals of the vole hosts were captured and examined, which is a big host sample size. From the body surface of E. miletus, 49,850 individuals of chigger mites were collected, and they were identified as comprising 175 species, 13 genera, and 3 subfamilies in 2 families (Trombiculidae and Leeuwenhoekiidae). The 175 species of chigger mites from such a single rodent species (E. miletus) within a certain region (southwest China) extremely exceeded all the species of chigger mites previously recorded from multiple species of hosts in a wide region or a whole country in some other countries, and this suggests that E. miletus has a great potential to harbor abundant species of chigger mites on its body surface. Of 175 mite species, Leptotrombidium scutellare was the most dominant species, which has been proved as one of the main vectors of scrub typhus and the potential vector of haemorrhagic fever with renal syndrome (HFRS) in China. The patchiness index (m*/m) was used to measure the spatial patterns of the dominant chigger mite species, and all the three dominant mite species (L. scutellare, Leptotrombidium sinicum, and Helenicula simena) showed aggregated distributions among the different host individuals. The coefficient of association (V) was adopted to measure the interspecies interaction between the dominant mite species and a slightly positive association existed between L. scutellare and L. sinicum (V=0.28, P