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首页> 外文期刊>International Journal for Parasitology: Parasites and Wildlife >Infestation and seasonal fluctuation of chigger mites on the Southeast Asian house rat (Rattus brunneusculus) in southern Yunnan Province, China
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Infestation and seasonal fluctuation of chigger mites on the Southeast Asian house rat (Rattus brunneusculus) in southern Yunnan Province, China

机译：中国南部云南省东南亚房屋大鼠（Rattus Brunneusculus）的恙螨的感染与季节性波动

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Chigger mites are the common ectoparasites of rodents and the exclusive vector of scrub typhus. The Southeast Asian house rat ( Rattus brunneusculus ) is an important reservoir host and infectious source of some zoonoses including scrub typhus. From April 2016 to March 2017, a 12-month consecutive investigation was made at Jingha village in southern Yunnan of China, which is an important focus of scrub typhus. The infestation and seasonal fluctuation of chigger mites on R. brunneusculus were studied based on the investigation. From 2,053 captured R. brunneusculus , a total of 99,221 chiggers were collected and identified as comprising 102 species with very high species diversity. The richness ( S ), diversity index ( H′ ), evenness ( E ) and dominance index ( D ) of the chigger community on the rat varied in different months. Of the 102 chigger species, five main species accounted for 84.81% of the total chiggers (84,147/99,221). The five main chiggers were Walchia ( W .) micropelta (32.65%), Ascoschoengastia indica (24.68%), Leptotrombidium ( L .) deliense (19.02%), W. ( W .) turmalis (4.63%) and L. ( L .) scutellare (3.83%). Of the five chigger species, L. ( L .) deliense and L. ( L .) scutellare are the most important vectors of scrub typhus in China. The five chigger species showed different patterns of seasonal fluctuation. The seasonal fluctuation of L. ( L .) deliense belonged to summer-autumn type with the highest peak in July, but L. ( L .) scutellare mainly appeared in winter and spring with the peak from January to February. The temperature and rainfall were two key factors which influenced the seasonal fluctuation of chigger mites.
机译：恙螨是啮齿动物的常见异位遗传癖和磨砂伤寒的独家载体。东南亚房屋大鼠（Rattus Brunneusculus）是一些重要的储层宿主和某些人群的传染性来源，包括磨砂伤寒。从2016年4月到2017年3月，连续12个月的连续调查是在中国云南南部的景华村制造的，这是磨砂伤寒的重要焦点。基于调查研究了R. Brunneusculus恙螨的侵扰和季节波动。从2,053捕获的R. Brunneusculus，共收集99,221个鼠标，并鉴定为包含102种具有非常高的物种多样性。大鼠恙螨群落的丰富性，多样性指数（H'），均匀性（E）和统治指数（D）在不同的几个月内各种不同。在102个恙饼物种中，五种主要物种占总恙螨的84.81％（84,147 / 99,221）。五个主要鼠标杆菌（W。）micropelta（32.65％），ascoschoengastia indica（24.68％），乳胶菌（l。）纯（19.02％），w。（w。）turmalis（4.63％）和L.（l 。）Scutellare（3.83％）。在五种恙螨物种中，L.（L。）司法和L.（L.）Scutellare是中国磨砂动脉毛巾最重要的载体。五种恙螨种显示出不同的季节波动模式。 L.（l。）司法季节性波动属于夏季秋季类型，7月份最高峰，但L.（L.）斯科勒尔主要出现在冬季和春天，从1月至2月份出现。温度和降雨是影响恙螨季节波动的两个关键因素。

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