A new species of predaceous mite of the genus Neoseiulus Hughes (Acari, Phytoseiidae), with redescriptions of N. magnanalis (Thor) and N. ellesmerei (Chant &amp;amp; Hansell), from Svalbard, High Arctic

Kolodochka, L. A.; Gwiazdowicz, Dariusz J.

doi:10.11646/zootaxa.3793.4.3

Cited by 9 publications

(13 citation statements)

References 2 publications

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“…Very conspicuous differences were observed between locations especially when comparing the western and eastern parts of the island. Neoseiulus ellesmerei (Chant & Hansell, 1971) has been previously recorded from the Northern Canada (Kolodochka and Gwiazdowicz 2014). Three female N. ellesmerei occurred at Russebukta.…”

Section: Mesostigmatamentioning

confidence: 96%

“…To facilitate identification, mesostigmatic mites were mounted on permanent (Hoyer's medium) and semi-permanent (lactic acid) slides and identified using the latest taxonomical literature (Gwiazdowicz et al 2011a, b;Kolodochka and Gwiazdowicz 2014;Teodorowicz et al 2014). Collembola and oribatid mites were identified to species by morphological taxonomic techniques following (Fjellberg 1998 and (Norton and Behan-Pelletier 2009) and (Schatz and Fischer 2011) (Oribatida).…”

Section: Invertebrate Extraction and Identificationmentioning

confidence: 99%

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The terrestrial invertebrate fauna of Edgeøya, Svalbard: Arctic landscape community composition reflects biogeography patterns

et al. 2019

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Colonisation and immigration history is often neglected as a factor when investigating community or species distribution patterns. However, for dynamic systems that are still reacting to large-scale environmental change, such as the retreat of the ice since the last glacial maximum, colonisation history may explain a large amount of the variation between geographically distinct communities. The High Arctic archipelago of Svalbard presents an opportunity to test whether it is possible to observe the effects of large-scale biogeographical patterns on species distribution at landscape scales. Svalbard has one of the best described inventories of the invertebrate fauna in the Arctic. Nonetheless, the majority of the species records originate from the more accessible west coast and the invertebrate fauna of the whole eastern region, including Edgeøya, is virtually unknown. Edgeøya is located at the eastern fringe of the archipelago on the boundary between Palaearctic and Nearctic faunas. It was expected that post-colonisation dispersal within Edgeøya would conceal routes to the archipelago. Samples were obtained from six locations along the coast of Edgeøya between 2009 and 2010. 140 invertebrate species were identified belonging to 69 different genera of which 16 are new records for Svalbard. Most new species present an eastern Palaearctic distribution. Habitat variables (percentage cover of moss, lichen, vascular plant, or bare soil) fail to explain 35.5% of the differences among sites. However, cluster analysis reveals a clear east-west distribution pattern across the island suggesting that pan-Arctic dispersal routes can be identified even at relatively short geographical scales.

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Section: Mesostigmatamentioning

confidence: 96%

Section: Invertebrate Extraction and Identificationmentioning

confidence: 99%

The terrestrial invertebrate fauna of Edgeøya, Svalbard: Arctic landscape community composition reflects biogeography patterns

et al. 2019

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“…In recent, years a number of taxonomic studies on the arthropod fauna of the Svalbard archipelago have appeared [20]. Several describe new species [21,22], whereas others relate to the revision or redescription of species [23,24]. Studies of faunistic and ecological nature exist [25][26][27], but few papers refer to the differentiation of communities across a glacial foreland [16,18,28,29].…”

Section: Introductionmentioning

confidence: 99%

Changing Microarthropod Communities in Front of a Receding Glacier in the High Arctic

Gwiazdowicz

Zawieja

Olejniczak

et al. 2020

Insects

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This study was carried out at Ny-Ålesund on Spitsbergen in Svalbard (High Arctic). Eight study sites were established along a transect from the fjord to the snout of the glacier. The sites differed from each other by the type of vegetation cover and soil characteristics. Soil samples were collected and placed in Tullgren funnels. Extracted arthropods were represented by two groups of mites (Mesostigmata and Oribatida) and springtails (Collembola). The pioneer species that occurred first after retreat of the glacier were representatives of the Collembola (Agrenia bidenticulata and Hypogastrura concolor). Later, other springtails appeared including Folsomia alpha, Folsomia quadrioculata, Hypogastrura concolor, Isotoma anglicana, Sminthurinus concolor and the first species of oribatid mites; Camisia foveolata and Tectocepheus velatus velatus. Arthropod communities recorded along the transect were characterized by large variations in both species composition and abundance of individuals. The greater the distance from the glacier snout, the greater the species richness (2 to 22 species). The mean number of species per sample was the lowest at site 8 (1 ± 0.71) (the closest to the glacier) and greatest at site 1 (14 ± 1.41) (furthest from the glacier). The Simpson’s diversity index (D) was distinctly greater at sites 1 (4.61 ± 0.06) and 3 (3.94 ± 0.11) than at other sites, especially site 8 (1.07 ± 0.06). Densities were least in the samples closest to the glacier (30 to 101 individuals; density 3000–10,100 individuals/m2). At the other locations, abundance was highly variable (905 to 7432 individuals; density 90,500–743,200 individuals/m2). The mean abundances were greatest at sites 2 and 3. The great variations in total abundances observed were often due to the presence or absence of one or more dominant species exhibiting extreme abundance variability between sites. The microarthropod community of the High Arctic is composed of heterogeneous circumpolar species, yet on a landscape scale is extremely dependent on local environmental conditions which may be subject to rapid change.

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“…Chant (1959) moved the species "magnanalis" into family Phytoseiidae but he considered this species dubious because of the vague original description. Kolodochka and Gwiazdowicz (2014) discussed the fate of Thor's specimens as all specimens were lost after he died. They designated a neotype Neoseiulus magnanalis (Thor) to clarify its identity.…”

Section: Introductionmentioning

confidence: 99%

Amblyseius bellatulus Tseng (Acari: Phytoseiidae): neotype designation with first description of a male

Liao

Ho²,

2017

Acarologia

487

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A new species of predaceous mite of the genus Neoseiulus Hughes (Acari, Phytoseiidae), with redescriptions of N. magnanalis (Thor) and N. ellesmerei (Chant & Hansell), from Svalbard, High Arctic

Cited by 9 publications

References 2 publications

The terrestrial invertebrate fauna of Edgeøya, Svalbard: Arctic landscape community composition reflects biogeography patterns

The terrestrial invertebrate fauna of Edgeøya, Svalbard: Arctic landscape community composition reflects biogeography patterns

Changing Microarthropod Communities in Front of a Receding Glacier in the High Arctic

Amblyseius bellatulus Tseng (Acari: Phytoseiidae): neotype designation with first description of a male

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