Analysis of ectoparasites (chigger mites, gamasid mites, fleas and sucking lice) of the Yunnan red‐backed vole (Eothenomys miletus) sampled throughout its range in southwest China

Peng, Pei‐Ying; Guo, Xian; Song, Wen‐Yu; Hou, Peng; Zou, Yun-Ji; Fan, Rong; He, X.‐S.

doi:10.1111/mve.12134

Cited by 22 publications

(19 citation statements)

References 49 publications

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“…The results showed that L. sialkotense was more likely to choose adult hosts and this is consistent with some previous reports [37,38]. Although the individuals of L. sialkotense showed very slightly positive correlations with the body weight and body length of its hosts (P < 0.05), the correlation coefficients was too low (r= 0.10; r= 014) and this relationship may need a further study.…”

Section: Discussionsupporting

confidence: 91%

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Relative Abundance of a Vector of Scrub Typhus, Leptotrombidium sialkotense, in Southern Yunnan Province, China

Guo

Jin

et al. 2020

Korean J Parasitol

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The chigger mite Leptotrombidium sialkotense is one of the 6 main vectors of scrub typhus in China. Before present study, L. sialkotense was found in some parts of Hunan province, China with a narrow geographical distribution. During field investigation 2016-2017, we found L. sialkotense in Jingha, southern Yunnan, China. Of 15 small mammal host species, L. sialkotense were collected from 6 species of the hosts. Rattus brunneusculus was a dominant host of L. sialkotense, from which 98.3% of the mites were collected. The chigger mite showed a relatively high infestation prevalence (PM=11.7%) and mean abundance (MA=0.5) in comparison with the rest 5 host species. These results reveal a certain host specificity of L. sialkotense to a rat R. brunneusculus. The mite L. sialkotense showed an aggregated distribution on the host (P<0.05). A positive correlation observed between L. sialkotense and the body length of hosts. There was a positive interspecific association between L. sialkotense and 2 other dominant vectors, L. deliense and L. scutellare.

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Section: Discussionsupporting

confidence: 91%

“…The spatial distribution pattern of L. sialkotense on 6 species of hosts was determined as aggregated distribution. The aggregated distribution is an uneven distribution and it suggests that some hosts harbor few or no mites while some others harbor abundant mites [6,37].…”

Section: Discussionmentioning

confidence: 99%

Relative Abundance of a Vector of Scrub Typhus, Leptotrombidium sialkotense, in Southern Yunnan Province, China

Guo

Jin

et al. 2020

Korean J Parasitol

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“…Sorensen index (C ss ) was used to compare the species compositions of chigger mites on male and female hosts, R. norvegicus (Peng et al, 2015;Liu et al, 2020): where C is the number of chigger species on both sexes, S mnumber of species on male hosts, and S f -number of species on female hosts.…”

Section: Species Composition Of Chigger Mites On Male and Female Hostsmentioning

confidence: 99%

“…Different mating behaviors and different SSD (sexual size dimorphism) of male rats may affect their immunity that made them more vulnerable to parasites (Folstad & Karter, 1992;Moller et al, 1999). Male rats are more likely to be infested than female rats, because of larger size and wider range of activities (Peng et al, 2015). Larger hosts are more susceptible to parasites because they can provide more space and niche diversity for them (Poulin, 1997).…”

Section: Infestations Of Different Sexes and Ages Of Hosts With Chiggmentioning

confidence: 99%

Infestation and distribution of chigger mites on Brown rat (Rattus norvegicus) in Yunnan Province, Southwest China

et al. 2021

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Chigger mites is a group of arthropods and some of them are vectors of scrub typhus. As a common synanthropic rodent species, the Brown rat (Rattus norvegicus) often harbors lots of ectoparasites including chigger mites. According to some "data mining" strategies, the present study took the advantage of the abundant original data from a long-term field ecological investigation between 2001 and 2015 to make a detailed analysis of chigger mites on R. norvegicus in Yunnan Province, Southwest of China. From 18 of 33 investigated counties, only 1414 chigger mites were collected from 1113 Brown rats with relatively low infestations. The 1414 individual chigger mites were identified as comprising 61 species, 11 genera and 2 subfamilies of the family Trombiculidae with a high species diversity (S=61, H'=3.13). Of 61 mite species, there were four main species, Walchia ewingi, Ascoschoengastia indica, W. koi and A. rattinorvegici, which accounted for 44.41% of the total mites. All the chigger mites were of aggregated distribution among different individuals of R. norvegicus. The Brown rats in the outdoor habitats harbored much more individuals and species of chigger mites with a higher mean abundance (MA=1.46) and mean intensity (MI=12.53) than in the indoor habitats (P<0.05). The overall infestation of the rats was significantly higher in the mountainous landscapes than in the flatland landscapes (P<0.001). The species similarity (C ss) of the mites on the male and female rats reached 64.44% with sex biased infestations. The male rats harbored more species and individuals of the mites than the female rats. The adult rats harbored more species and individuals of the mites than the juvenile rats. The species abundance distribution of the mites was successfully fitted by Preston's lognormal model with Ŝ(R)=15e-[0.31(R-1)] 2 (α=0.31, R 2 =0.95). On the basis of fitting the theoretical curve by Preston's model, the total mite species on R. norvegicus was estimated to be 86 species, and 25 rare mite species were missed in the sampling field investigation. The curve tendency of the species-plot relationship indicates that R. norvegicus have a great potential to harbor many species of chigger mites, and more species of the mites would be collected if more rats are sampled.

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“…was merely common on M. musculus. Another chigger mite, Leptotrombidium scutellare (a vector of tsutsugamushi disease) has been presented on individual rodents (Wei et al 2010) chiefly Eothenomys miletus (vole) male in China (Peng et al 2015). Additionally, these groups transmit the rickettsial agents to man only in the larval sitting (Pratt 1963).…”

Section: Mitesmentioning

confidence: 99%

The fauna and perspective of rodentia ectoparasites in Iran relying on their roles within public health and veterinary characteristics

Khosravani

2017

J Parasit Dis

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Historically, rodents-ectoparasites are responsible for many diseases in human and domestic animal communities because they are well-adapted to the environment and nutritional resources. In addition, ectoparasites can affect the reproductive rates, ecological fitness and the dispersal pattern of their hosts. Data was compiled through all publications relating to ectoparasites fauna from Iranian rodents. Host specificity, rodent-parasites interaction, geographical distribution, ecological trends as well as the medical or veterinary importance of ectoparasites are considered in this review. Also, results compared with other equal global findings. According to the obtained information, the genus considered being the major vector of Crimean-Congo hemorrhagic fever. Sistan-Balouchistan, Isfahan, Fars and Khuzestan are endemic provinces of this disease in Iran. Ixodes ticks (especially spp.) commonly existed throughout the months but had high activity in spring and late autumn seasons. Muridae as the most diversified rodent family was more reiterated exploited host by all parasites in this knowledge. confirmed as a positive host for by serological test but the definitive reservoir is still unclear in Iran. as a nocturnal jird has been permanently presented in semi-desert areas except Dasht-e Kavir desert. This rodent was the frequent host for Pulicid fleas followed by and (Cricetidae). was specialized host for (spiny rat louse). from Pulicidae was spread in particularly west of Iran which known as an endemic focus of plague. Mites were high diversity than other taxa. The domestic vertebrates (sheep, goat and cattle) were primitive hosts and rodents were discovered as auxiliary hosts for ticks in Iran apparently. The available data suggested that lice had a type of model of host specificity due to their morphological traits. Meanwhile, Alborz and Zagros mountains ranges provided the specialized habitats for animals which have been surrounded by northern and western regions. Perhaps these mountainous areas can prevent gene flow between local mammalian populations. Notably, the genealogy of parasite genome can orient toward the evolutionary process into speciation point. In general, more researches are needed to decipher the whole sights of host-parasite association and the role of ectoparasites within zoonosis diseases.

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Analysis of ectoparasites (chigger mites, gamasid mites, fleas and sucking lice) of the Yunnan red‐backed vole (Eothenomys miletus) sampled throughout its range in southwest China

Cited by 22 publications

References 49 publications

Relative Abundance of a Vector of Scrub Typhus, Leptotrombidium sialkotense, in Southern Yunnan Province, China

Relative Abundance of a Vector of Scrub Typhus, Leptotrombidium sialkotense, in Southern Yunnan Province, China

Infestation and distribution of chigger mites on Brown rat (Rattus norvegicus) in Yunnan Province, Southwest China

The fauna and perspective of rodentia ectoparasites in Iran relying on their roles within public health and veterinary characteristics

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