Segregation of ectoparasitic communities of small forest mammals among ecological niches

Balashov, Yu. S.; Bochkov, André V.; Vashchenok, V. S.; Grigor'eva, L. A.; Stanyukovich, M. K.; Tretyakov, K. A.

doi:10.1134/s0012496607040096

Cited by 4 publications

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“…Moreover, flea infestation increased with body mass only in A. agrarius , but not in A. flavicollis nor in M. glareolus . Therefore, we can suppose that other factors than body mass, like differences in spatial behavior, movement patterns, and lower immunocompetence of males, may be responsible for found differences (Balashov et al 2007 ; Hillegass et al 2008 ; Krasnov et al 2012 ).…”

Section: Discussionmentioning

confidence: 99%

“…As larger hosts provide a greater variety of niches for parasites and they can sustain higher number of parasites (Morand and Poulin 1998 ; Balashov et al 2007 ), body mass can determine parasite infestation in hosts of different taxa (Stanko et al 2002 ; Kiffner et al 2013 , 2014 ). In addition, according to the well-fed host hypothesis, larger animals should be more parasitized, as they represent a better nutritional resource (Hawlena et al 2005 ; Gorrell and Schulte-Hostedde 2008 ).…”

Section: Discussionmentioning

confidence: 99%

“…It has also been hypothesized that larger hosts (that is males in many/most rodents species) provide a greater variety of niches for parasites and thus can sustain a higher number of parasites (Morand and Poulin 1998 ; Balashov et al 2007 ; Lindenfors et al 2007 ). Furthermore, according to the well-fed host hypothesis, they usually represent better nutritional resource for parasites (Christe et al 2003 ).…”

Section: Introductionmentioning

confidence: 99%

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Sex differences in flea infections among rodent hosts: is there a male bias?

et al. 2014

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Recognizing patterns of parasite distribution among wildlife hosts is of major importance due to growing risk of transmission of zoonotic diseases to humans. Thus, sex-dependent parasite distribution in higher vertebrates is extensively studied, and males are often found more parasitized than females. Male-biased parasitism may be the result of weaker immunocompetence of male hosts owing to the immunosuppressive effect of androgens. Moreover, larger hosts (males) may demonstrate higher parasite infestation levels than smaller individuals (females), as they constitute a better nutritional resource for parasites and provide them with a greater variety of niches. In the present work, we investigated sex-dependent patterns of flea distribution among three common rodent species (Apodemus agrarius, Apodemus flavicollis, and Myodes glareolus). We hypothesized that males have a higher flea infestation than females. We confirm male-biased parasitism in A. agrarius and M. glareolus, but not in A. flavicollis. Additionally, flea infestation increased with body mass in A. agrarius, but not in A. flavicollis and M. glareolus. The detected differences in parasite distribution among sexes are probably the result of immunosuppressive effects of androgens and spatial behavior of males.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Sex differences in flea infections among rodent hosts: is there a male bias?

et al. 2014

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“…Bantihun and Bekele (2015) reported that males often have a more extensive home range and can travel further, therefore, easily exposed to ectoparasites than females. Differences in host body mass, movement patterns, spatial behaviour, and minor immunocompetence of males could provide a greater variety of niches for ectoparasites infestation, as they can withstand a higher number of arthropods (Balashov et al 2007). Our study showed no record of male tick species, as mentioned by Durden et al (2018) that they naturally do not feed on host skin.…”

Section: Discussionmentioning

confidence: 99%

Small mammal assemblages and their ectoparasite prevalence (Acarina) in mangrove forests of Peninsular Malaysia

2021

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The mangrove forest is located in the coastal intertidal zone and plays a vital role in buffering against erosion from storm surges, currents, waves, and tides. This ecosystem also serves for ecotourism due to its heterogeneous habitats, which supported a high diversity of plants and animals. Small mammals are among the abundant but poorly recognised inhabitants in mangrove forests. Apart from their role as primary consumer and prey, they are host to various ectoparasites, which potentially become the primary vector for tick-borne diseases among visitors. Therefore, this study aims to determine the small mammal assemblages and their ectoparasite prevalence in mangroves forests of Peninsular Malaysia. The capture-release method was applied for small mammal sampling, and each captured individual was screened and collected for ectoparasites before released. DNA barcoding using CO1 genes was performed for small mammal species verification, whereby ectoparasite identification was based on morphological identification and molecular verification using 16S rDNA genes. A total of 94 small mammals from 6 species were captured across sites, dominated by Rattus tiomanicus (n=74). From this number, 15 individuals (16% prevalence) were infested by ticks, 22 individuals (23%) were infested by mites, whereas 4 individuals (4%) were infested by both ticks and mites. Five species of ticks and one mite species were identified; Amblyomma cordiferum, Ixodes granulatus, Haemaphysalis hystricis, Dermacentor auratus, Dermacentor atrosignatus, and Laelaps echidninus. This study reveals a relatively poor diversity of small mammals in the mangroves forest, of which highly infested with a diversity of ectoparasites, elucidating the relationship of hostectoparasite associations in the riparian zone. This information is crucial to inform visitors to these areas, ultimately safeguard against ectoparasite-borne disease.

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“…Lately, in the study of the genus Sylvaemus there has been the prevalence of taxonomic researches involving the use of karyological, allozyme, and molecular genetic methods [6][7]. Parasitological studies are rare [8][9]. The herb wood mouse Sylvaemus uralensis Pallas is one of the main pests of forestry and agriculture in the forest-steppe subzone of the Southern Trans-Urals.…”

Section: Introductionmentioning

confidence: 99%

Anoplura (lice) infestation of the herb wood mouse Sylvaemus uralensis Pallas, 1811 in the Trans-Urals forest-steppe

Starikov

Kravchenko

2021

E3S Web Conf.

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The herb wood mouse is parasitized by Hoplopleura affinis Burmeister, 1839. For this research, the authors examined a total number of 408 herb wood mice for the presence of permanent ectoparasites (lice). The authors considered changes in the infestation rate in connection with the periods of the rodent’s life, the age and gender composition of the lice, the biotopic confinement peculiarities of the parasite in the conditions of the Trans-Urals forest steppe (Kurgan region). H. affinis is noted to be found on mammals in contact with the herb wood mouse.

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Segregation of ectoparasitic communities of small forest mammals among ecological niches

Cited by 4 publications

References 0 publications

Sex differences in flea infections among rodent hosts: is there a male bias?

Sex differences in flea infections among rodent hosts: is there a male bias?

Small mammal assemblages and their ectoparasite prevalence (Acarina) in mangrove forests of Peninsular Malaysia

Anoplura (lice) infestation of the herb wood mouse Sylvaemus uralensis Pallas, 1811 in the Trans-Urals forest-steppe

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