Water Mites (Hydrachnida) and Other Arachnids

Smith, Ian M.

doi:10.1016/b978-012690647-9/50017-x

Cited by 71 publications

(62 citation statements)

References 132 publications

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“…The present results concerning attachment sites of water mite larvae on their host's body in general accord with data reported elsewhere, for example, by Smith and Oliver (1986) and Smith et al (2001) at genus level. Also in the Luxembourg springs , most Hygrobates norvegicus larvae had a clear preference for the dorsal area anterior to abdominal intersegment 3/4.…”

Section: Attachment Sites Phenology and Prevalencesupporting

confidence: 95%

Larval parasitism of spring-dwelling alpine water mites (Hydrachnidia, Acari): a study with particular reference to chironomid hosts

Martin¹,

Stur

Wiedenbrug

2009

Aquat Ecol

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During faunistic investigations on spring habitats in the alpine National Park Berchtesgaden (Bavaria, Germany), water mites were found to be the group with the highest share of species strongly adapted to springs. At four sample sites at two spring complexes, insect emergence was screened for parasitism by larval water mites. A total of at least 36 host species were recorded as being parasitized by 19 water mite species. As in many other habitats, the most important host taxon was shown to be the nematoceran family Chironomidae, both in the number of species and individuals parasitized. Likewise, the number of water mite species attached to chironomids was high. Further host species were found among the Plecoptera, Trichoptera, Coleoptera, Limoniidae and Empididae (Diptera). These taxa were only parasitized by a single water mite species in each case. For 13 mite species, new hosts were recorded for the first time. For another six species, the known host spectrum could be confirmed and/or supplemented. The parasitological data presented (e.g., prevalences, selected attachment sites on the host, larval phenology, intensity of parasitism) provide, in most cases, basic information concerning previously unknown parasite-host associations. At this time, the reason for the strong crenobiosis in water mites cannot be explained by their parasitism.

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Section: Attachment Sites Phenology and Prevalencesupporting

confidence: 95%

Larval parasitism of spring-dwelling alpine water mites (Hydrachnidia, Acari): a study with particular reference to chironomid hosts

Martin¹,

Stur

Wiedenbrug

2009

Aquat Ecol

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“…Daphnia ephippia remain viable following gut passage in fish (Mellors 1975), which could provide a means for upstream transport. Water mites parasitize aquatic insects and are transported to new habitats with aerial adult stages of the insects (Smith et al 2001). Water mammals, such as muskrat, have been observed to transport amphipods over short distances (Peck 1975).…”

Section: Mechanisms Of Colonizationmentioning

confidence: 99%

Mechanisms, effects, and scales of dispersal in freshwater zooplankton

Havel

Shurin

2004

Limnology & Oceanography

311

271

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The distribution of organisms can be regulated by local environmental factors and regional processes such as dispersal. Here, we review recent work on the role of dispersal for generating population and community structure in freshwater zooplankton. We examine evidence for different mechanisms of dispersal among lakes, for the effects of dispersal limitations on populations and communities, and for the effects of spatial scale on dispersal rates. Zooplankton move via human or animal vectors, flowing surface waters, and wind; the relative importance of the different modes of transport is poorly understood. Several lines of evidence suggest that dispersal among lakes separated over short spatial scales (Ͻ10 km) is sufficiently rapid that local interactions should limit species diversity and composition more than the supply of colonists. However, dispersal limitation over broad scales (tens to thousands of kilometers) might constrain geographic ranges and influence community structure. The current explosion in the incidence of exotic species indicates that such global-or continental-scale dispersal was limiting in the past. The spread of exotic species also provides opportunities to study the scale dependence of zooplankton dispersal. We show how patterns of range expansion can be used to estimate the change in invasion likelihood with distance to a source population. Such dispersal functions provide a crucial link between small-scale experimental studies and broad-scale geographic patterns.Theories of geographic structure in communities and populations come from two broad schools of thought. The regional approach examines the importance of movement of individuals and the colonization of isolated patches of habitat separated over broad spatial scales. Parallel theories have been developed for regional control of both genetic variation in populations (Slatkin 1985) and species diversity in communities (MacArthur and Wilson 1963). The regional approach often emphasizes neutral or drift processes such as colonization and extinction and ignores differences among species or environments (Hubbell 2001). By contrast, the local approach examines the response of species to conditions that influence population growth rates within relatively small, homogeneous patches of habitat (MacArthur 1972). Local-scale ecology focuses on differences among organisms or habitats that allow coexistence of multiple species or genotypes. The local and regional views have both enjoyed 1 Corresponding author (johnhavel@smsu.edu).

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“…Besides reducing life expectancy and egg reproduction, mites are known for delaying sexual maturity and reducing the flight capability. In all cases, the impact of parasitism depends on the quantity of parasites attached to the insects and can also affect the whole population of a certain species (Smith et al 2001). García et al (1994) observed the parasitism by mites in natural populations of Culicidae and conclude that the prevalence and number of mites in each host were low.…”

Section: Discussionmentioning

confidence: 99%

Mites (Acari: Trombidiformes) parasitizing mosquitoes (Diptera: Culicidae) in an Atlantic Forest area in southern Brazil with a new mite genus country record

et al. 2016

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In this study, a total of 4146 culicids collected in an Atlantic Forest area in Paraná state, southern Brazil were examined for the presence of mites. Forty larval Parasitengone mites (Arrenurus spp., Arrenuridae; Durenia spp., Trombellidae; Microtrombidium spp., Microtrombidiidae) parasitized 25 specimens of mosquitoes, with the intensity varying from one to nine mites attached. Most mites were found on Aedes serratus/nubilus, Culex vomerifer, Cx. pedroi and Cx. sacchettae. The overall percentage of parasitized mosquitoes was 0.6 %. The highest intensity of mites encountered was in an individual of Cx. pedroi with nine attached mites. Regarding the attachment site, most mite specimens were attached to the abdomen (n = 25), whereas 15 were located on the thorax. Specimens of Arrenurus spp. were only found on the abdomen of mosquitoes, and the same was observed for Microtrombidium spp., while Durenia spp. attached to both the thorax (n = 15) and abdomen (n = 4). This is the first record for the genus Durenia in Brazil. Additionally, some species of mosquitoes were, for the first time, reported as being parasitized by mites.

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Water Mites (Hydrachnida) and Other Arachnids

Cited by 71 publications

References 132 publications

Larval parasitism of spring-dwelling alpine water mites (Hydrachnidia, Acari): a study with particular reference to chironomid hosts

Larval parasitism of spring-dwelling alpine water mites (Hydrachnidia, Acari): a study with particular reference to chironomid hosts

Mechanisms, effects, and scales of dispersal in freshwater zooplankton

Mites (Acari: Trombidiformes) parasitizing mosquitoes (Diptera: Culicidae) in an Atlantic Forest area in southern Brazil with a new mite genus country record

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