川西南地区小型兽类型体外寄生革螨群落研究

1987年7月－1988年11月在川西南地区共采集到小型兽类体外革螨32种,178只,高山姬鼠,大耳姬鼠和社鼠体外寄生革螨群落结构复杂,生物多样性指数较高,在这些革螨群落中,如厩真厉螨为高山姬鼠和大耳姬鼠的优势种,福建厉螨为社鼠的优势种,毒厉螨为褐家和阳金小鼠的优势种,松鼠真厉螨为橙腹松鼠的优势种,金氏厉螨为黑腹绒鼠的优势种,臊鼠赫刺螨为灰麝鼯的优势种,而其余12种小型兽类革螨群落的优势种不明显。     

海南岛小兽类寄生蜱的群落结构

本文定量研究了海南岛三亚市９种小兽类体外寄生蜱的群落结构,共发现８种寄生蜱,粒形硬蜱的宿主范围广,在所捕获的９种小兽体外均有寄生。珀氏长吻松鼠体表粒形硬蜱率相当高（＞５０％）。社鼠和海南毛猥的多样性指数低。     

同鞭恙螨亚属的修订和一新种恙螨的记述：蜱螨亚纲：恙螨科

本文对同鞭恙螨亚属Synlorillatum Zhao,1985的亚属征作了补充和修订,并探讨了通什长鞭恙螨Lorillatum(S.)tungshihensis Hsu & Chen,1964的分类地位问题。此外,记述了采自鼠耳蝠Myotis sp.的一个恙螨新种——鞭感长鞭恙螨Lorillatum(Synlorillatum)flagellasensilla sp.nov.     

川西南地区小型兽类体外寄生革螨调查报告

1987年7－10月和1988年4－11月在川西南地区共采集到鼠类体外革螨37种,1909只。本文记录了这些革螨的宿主动物、采集地以及各主动物的染螨率。主要鼠种如社鼠、大耳姬鼠、黑腹绒鼠、高山姬鼠和松田鼠的染螨率分别为49.32%、23.92%、7.45%,7.37%和4.17%。     

同恙螨属一新种(蜱螨亚纲:恙螨科)

梨形同恙螨,新种Cotrombicula pyriformis sp.nov.采自江西省弋阳县中华鼠耳蝠Myotis chinensis的翼膜上,为我国同恙螨属螨种初记。     

春川恙螨属—新种(蜱螨亚纲:恙螨科)

本文描述春川恙螨属ＳｈｕｎｓｅｎｎｉａＪａｍｅｓｏｎｅｔＴｏｓｈｉｏｋａ一新种,即叉毛春川恙螨Ｓ．ｆｕｒｃｏｓｅｔａｓｐ．ｎｏｖ．,模式标本采自青海省化隆回族自治县的大林姬鼠ＡｐｏｄｅｍｕｓｓｐｅｃｉｏｓｕｓＴｅｍｍｉｎｃｋ,１８４５体长,文内量度单位均为μｍ。标本存放在青海省地方病防治研究所。     

纤恙螨属一新种(蜱螨亚纲,恙螨科)

记述纤恙螨属Leptotrombidium Nagayo et al.,19161新种,拟六毛纤恙螨Leptotrombidium(L.)subsexsetum Ma,Baiet Feng,sp.nov.,模式标本采自宁夏回族自治区六盘山自然保护区洮州绒鼠Cargomgseva Thomas,1911体,保存于军事医学科学院微生物流行病研究所医学昆虫标本馆。     

禽棒恙螨属属征的商榷和肩棒恙螨属,新属的建立（蜱螨亚纲：恙螨科）

本文对禽棒恙螨属Ｏｒｎｉｔｈｏｇａｓｔｉａ的属征提出商榷,并建立肩棒恙螨属,新属Ｏｍｏｇａｓｔｉａ ｇｅｎ．ｎｏｖ．来安置Ｎｅｏｓｃｈｏｅｎｇａｓｔｉａ ｒｉｖｅｒｓｉ Ｗｈａｒｔｏｎ ｅｔ Ｈａｒｄｃａｓｔｌｅ,１９４６。     

青海省新恙螨属一新种(蜱螨亚纲：恙螨科)

记述新恙螨属NeotrombiculaHirst ,192 5一新种 ,拟旱獭新恙螨Neotrombiculaparamarmotaesp .nov .,模式标本采自民和县的松田鼠PitymysireneThomas,1911体上。标本存放在青海省地方病防治研究所。量度单位均为 μm。     

无前恙螨属--新种记述(蜱螨目:恙螨科)

本描述了采自江苏马铁菊头蝠(Rhinolophus ferrum-eguinum)翅上的无前恙螨属一新种,即宜兴无前恙螨[Walchia(Walchia)neeshini Wang et Xia,sp．nov]。模式标本保存于复旦大学上海医学院寄生虫学教研室。     

湖北省恙螨初步名录

根据文献报告及调查所得,湖北省已知恙螨计有14属41种。文内对种名、宿主及分布予以祥细记载。     

柴河林区小型啮齿动物群落格局变化

为阐明柴河林区小型啮齿动物群落结构与格局的形成原因,掌握林区啮齿动物群落动态及发展趋势。于2012至2015年在柴河林区的新房子、大青沟和二道河子地区,对针阔混交林、阔叶林、草甸、沿河林和农田5种生境类型,采用铗日法对小型啮齿动物进行了调查。结果表明,棕背?（Clethrionomys rufocanus）和大林姬鼠（Apodemus peninsulae）为柴河林区小型啮齿动物的优势物种,针阔混交林为棕背?最适生境,阔叶林为大林姬鼠最适生境;黑线姬鼠（A. agrarius）和大仓鼠（Cricetulus triton）为农田优势物种,东方田鼠（Microtus fortis）仅在草甸中发现。随生境垂直分布区海拔高度的降低,总捕获率逐渐减低,其中棕背?的种群变化起主要作用;大林姬鼠的捕获率逐渐增加,其对农业经济的干扰适应性更强;褐家鼠（Rattus norvegicus）的分布规律受居民点分布比例影响;红背?（Clethrionomys rutilus）主要分布于海拔相对较高的针阔混交林。通过与孙儒泳等20世纪60年代在此地区的研究结果的比较,最后认为近几十年原始森林的破坏,伴生的次生林和人工林,致柴河林区的针阔混交林向阔叶林的过渡失去先前的典型特征。并发现小型啮齿动物的群落格局变化,虽呈现出自然条件的垂直变化和农业活动影响的规律,但同时存在生境变化的适应性改变,也表现出各地区的区域生境特征对取样点微生境啮齿动物分布的巨大影响。     

云南省短尾鼩体表螨类感染及相关生态分析

根据2001至2015年对云南省30个县(市)的现场调查,本文对短尾鼩(Anourosorex squamipes)体表螨类(革螨和恙螨)的感染状况和相关生态规律进行了初步分析.常规统计短尾鼩体表螨类的构成比(Cr)、感染率(PM)、平均多度(MA)和感染度(MI).用Jaccard相似性系数(J)比较螨类物种相似度....     

云南白草岭鼠形小兽群落结构及垂直分布

对云南白草岭鼠形小兽群落结构,垂直分布及动物区系进行了调查,结果共捕获小兽21种1028只,隶属于啮齿目(Rodenria)鼠科（Muridae）10种,仓鼠科（Cricetidae)2种,松鼠科（Sciuridae)2种;食虫目（Insectivora）Juqin科（Soricdae)6种,鼹科（Talpidae)1种。其中东洋界15种,占71．43％,古北界4种,占19．04％,广布种2种,占9．53％,各个垂直带鼠形小兽群落物种多样性指数分别为,Ⅰ,云南松林及山坡耕作地带（2000－2650m)1.3814;Ⅱ。温凉性针阔叶混交林带（2650－3150m)1．6126;Ⅲ．苍山冷杉林带（3150－3500m)1．3488;Ⅳ。亚高山灌丛草甸带（3500－3657m）1．5085。云南白草岭优势种主要由齐氏姬鼠（Aopdemus chevieri)、中华姬鼠（A.draco)、大耳姬鼠（A.latronum)、大绒鼠（Eothenomys miletus)和昭通绒鼠（E.olitor)5种组成。     

Larval Chigger Mites Collected from Small Mammals in 3 Provinces,Korea

A total of 9,281 larval chigger mites were collected from small mammals captured at Hwaseong-gun, Gyeonggi-do (Province) (2,754 mites from 30 small mammals), Asan city, Chungcheongnam-do (3,358 mites from 48 mammals), and Jangseong-gun, Jeollanam-do (3,169 for 62 mammals) from April-November 2009 in the Republic of Korea (= Korea) and were identified to species. Leptotrombidium pallidum was the predominant species in Hwaseong (95.8%) and Asan (61.2%), while Leptotrombidium scutellare was the predominant species collected from Jangseong (80.1%). Overall, larval chigger mite indices decreased from April (27.3) to June (4.9), then increased in September (95.2) and to a high level in November (169.3). These data suggest that L. pallidum and L. scutellare are the primary vectors of scrub typhus throughout their range in Korea. While other species of larval chigger mites were also collected with some implications in the transmission of Orientia tsutsugamushi, they only accounted for 11.2% of all larval chigger mites collected from small mammals.     

安徽省城市居民储藏物中孳生粉螨群落组成及多样性研究

从安徽省15个城市居民储藏物中采集了48种样本,采用水膜镜检法和电热集螨法进行粉螨的分离,并进行螨种的鉴定及计数。检获粉螨27种,隶属于7科19属。其平均孳生密度为28.65±7.6只/g,物种丰富度指数为2.70,物种多样性指数为2.62,物种均匀度指数为0.89。其群落组成较为多样化,粉螨污染储藏物的情况严重。     

原位分子杂交法检测恙螨体内肾综合征出血热病毒核酸的研究

为探讨肾综合征出血热病毒（ＨＦＲＳＶ）在恙螨体内的分布和定位,采用原位分子杂交技术检测恙螨体内ＨＦＲＳＶＲＮＡ。结果发现：原位分子杂交技术的检出阳性率较ＩＦＡＴ高;ＨＦＲＳＶ阳性信号颗粒呈弥散分布,多见于恙螨幼虫和若虫的腹部组织细胞内,该部位是恙螨的卵巢细胞、中肠及支囊上皮细胞。前体组织细胞内少见;个别幼虫和若虫的前足和中足细胞内亦可见到ＨＦＲＳＶＲＮＡ阳性信号。在原位分子杂交中,若虫组织细胞内的ＨＦＲＳＶＲＮＡ阳性信号较幼虫密集而且量多,表明ＨＦＲＳＶ在恙螨体内可传递并有增殖现象     

Monitoring Chigger Mites for Orientia tsutsugamushi in Field Small Mammals in Hwaseong-si,Gyeonggi-do,Korea, 2019-2020

Incidence of tsutsugamushi disease (scrub typhus) caused by Orientia tsutsugamushi, is steadily increasing. It is a mite-borne disease transmitted by chigger mites. In this study, the chigger mites were collected from field small mammals in Hwaseong-si (city), Gyeonggi-do (province), Korea, 2019 and 2020. The field small mammals captured were 56 Apodemus agrarius (94.9%) and 3 Crocidura lasiura (5.1%). A total of 7,531 chigger mites were collected from the captured small mammals. Using PCR test, 153 chigger mite pools were examined and 17 pools were reported positive for O. tsutsugamushi. The O. tsutsugamushi were identified to 5 strains; Jecheon strain was most prevalent, followed by Boryong strain. The other strains were OI011, Taguchi, and Shimokoshi. Collectively, these results provide essential regional information on mite-borne tsutsugamushi disease in the Hwaseong-si, and further contribute to bring awareness and rapid diagnosis for the tsutsugamushi disease.     

Infestation and Related Ecology of Chigger Mites on the Asian House Rat (Rattus tanezumi) in Yunnan Province,Southwest China

This paper is to illustrate the infestation and related ecological characteristics of chigger mites on the Asian house rat (Rattus tanezumi). A total of 17,221 chigger mites were collected from 2,761 R. tanezumi rats, and then identified as 131 species and 19 genera in 2 families. Leptotrombidium deliense, the most powerful vector of scrub typhus in China, was the first major dominant species on R. tanezumi. All the dominant mite species were of an aggregated distribution among different individuals of R. tanezumi. The species composition and infestations of chiggers on R. tanezumi varied along different geographical regions, habitats and altitudes. The species-abundance distribution of the chigger mite community was successfully fitted and the theoretical curve equation was Ŝ (R)=37e^−(0.28R)². The total chigger species on R. tanezumi were estimated to be 199 species or 234 species, and this further suggested that R. tanezumi has a great potential to harbor abundant species of chigger mites. The results of the species-plot relationship indicated that the chigger mite community on R. tanezumi in Yunnan was an uneven community with very high heterogeneity. Wide geographical regions with large host samples are recommended in the investigations of chigger mites.     

云南省恙螨名录初报

2000-2004年对云南省寄生恙螨进行现场调查,共采集到恙螨192种,结合其他文献资料报道,目前云南省境内已经发现的恙螨至少有222种,隶属3亚科27属。本文归纳总结了到目前为止云南省所记载恙螨的名称及所寄生宿主。