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Pardosa hyperborea (Thorell 1872)

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Conservation Status

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According to the Committee on the Status of Endangered Wildlife in Canada (COSEWIC 2005a, 2005b) this species is not in any risk category.
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Cyclicity

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Males have been collected from late May to early August and females from June to September (Dondale & Redner 1990; Pickavance 2001).
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Distribution

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Alaska to Labrador, south to Vancouver Island, Wyoming, northern Michigan and northern New England. Greenland. Europe (Dondale & Redner 1990).
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General Description

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Pardosa hyperborea is the only representative of the Pardosa saltuaria group in Canada (Dondale & Redner, 1987). Carapace (dorsal portion of the head region or cephalothorax) narrow, light brown, with two longitudinal dark brown stripes that go from the posterior end just to the anteiror eye row, clypeus (portion between anterior eye row and border of carapace) same color as sides; longitudinal dorsal mid line light brown, less conspicuous near postero-median eyes. Mouthparts: Chelicerae yellowish, darker in the apex; labium and endites same color as chelicerae. Sternum (plate between legs) dusky with a medial lighter patch. Coxae (1st leg segment) and femora (3rd leg segment) light brown; patella (4th leg segment), tibia (5th leg segment), metatarsi (7th leg segment) and tarsi (8th leg segment) darker, tibia with three inconspicuous lighter rings. Abdomen dark brown with a longitudinal medial light band bordered by a non continuous black line on each side, venter of abdomen lighter. Males and Females are similar in coloration and size but males are usually smaller; length ranges between 4.5 to 5.5mm. Male palp (see additional picture, articulated appendages anterior to 1st pair of legs): Terminal apophysis (ta in image) big, longer than wide, median apophysis (ma in image) small, with two projections, anterior projection short, posterior projections straight, directed backward, prominent. Female epigynum (see additional picture, located in the anterior ventral side of the abdomen): Two well separated anterior hoods (h in image), median septum (s in image) large, prominent and flat, lateral plates (lp in image) angular, laying below septum.
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Habitat

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Alpine tundra, spruce, balsam fir and jack pine forests (Dondale & Redner 1990, 1994).
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Life Cycle

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Pardosa hyperborea as most of Lycosid species, is a ground-dwelling species that usually prefer open areas, such as rocky hillsides or among lichens (Dondale & Redner 1990), peatlands or sphagnum bogs (Nordstrom & Buckle 2002), and is also common in burned areas (Buddle et al 2000). There is no information about life cycle of this species, but it could be inferred from related species (Pickavance 2001; Buddle, 2000), that P. hyperborea may have a two-year life span from hatching to maturity, overwintering the first time as immature and a second time as subadult, showing a superposition of different cohorts during the year. Mating should occur during June or July when both sexes are present, it has been reported females with egg sacs in July and August (Dondale & Redner 1990).
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Trophic Strategy

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Generalist predator, no information available.
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Pardosa hyperborea

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Pardosa hyperborea is a species of wolf spiders in the family Lycosidae.[1][2] It is found in North America, Greenland, Europe, and Russia (European to Sibiria).[2][3]

References

  1. ^ "Pardosa hyperborea Species Information". BugGuide.net. Iowa State University. Retrieved 2018-01-24.
  2. ^ a b "Pardosa hyperborea Report". Integrated Taxonomic Information System. Retrieved 2018-01-24.
  3. ^ "Information on the Species Pardosa hyperborea". NMBE World Spider Catalog. Retrieved 2018-01-24.
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Pardosa hyperborea: Brief Summary

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Pardosa hyperborea is a species of wolf spiders in the family Lycosidae. It is found in North America, Greenland, Europe, and Russia (European to Sibiria).

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Pardosa hyperborea ( Dutch; Flemish )

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Pardosa hyperborea is een spinnensoort uit de familie wolfspinnen Lycosidae. De soort komt voor in het Holarctisch gebied.

Bronnen, noten en/of referenties
  1. ↑ Thorell, T. (1872) Remarks on synonyms of European spiders. Part III. Upsala, pp. 229-374.
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Pardosa hyperborea ( Norwegian )

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Pardosa hyperborea er en av edderkoppene i gruppen ulveedderkopper (Lycosidae). De jakter vanligvis på jordbunn, de spinner ikke fangstnett.

Utbredelse

Pardosa hyperborea er registret forholdsvis få ganger, men fra nesten hele Norge, helt nord til Finnmark. Den finnes i høyereliggende strøk (fjell) i sør, mens den i nord kan finnes også i mer laverliggende strøk. Den mangler i Mellom-Europa, men finnes i Alpene og Nord-Amerika.

Utseende

Pardosa hyperborea er lyst og litt mørkere brun eller brunsvarte, men uten tydelige lysere eller mørkere flekker på bakkroppen. Den har Pardosa-slektens typiske tegninger, med en lys midtlinje bakover forkroppen og den lyse avlange flekken på bakkroppen. Beina har ikke lyse og mørke ringer, men heller mer langsgående linjer eller flekker.

Mange av artene i slekten Pardosa er ganske lik hverandre og er variable i farge, selv om enkelte kan ha artstypiske flekker (mønster). For sikker artsbestemmelse kreves ofte nærmere undersøkelse av de kjønnsmodne edderkoppens genitalier, hos hunner epigynet og hos hanner pedipalpenes siste ledd.

Kroppen er todelt i en bakkropp (abdomen) og et hode-bryst parti (prosoma eller cephalothorax). Foran på hodet er det åtte øyne, hvorav de to midterste er langt større enn de andre.

Levevis

Pardosa hyperborea lever på høyereliggende fuktige og åpne områder, som myrer med torvmoser, hellende enger med sigvann.

Systematisk inndeling

Slekten Pardosa er en gruppe som består av ca. 520 arter i verden.[1] I Norge er det registrert 22 arter[2].

Treliste

Referanser

  1. ^ The world spider catalog, Version 18.5. American Museum of Natural History.
  2. ^ Mine edderkopper - Norsk artsliste (besøkt 14. oktober 2010)

Litteratur

  • W. Nentwig, A. Hänggi, C. Kropf & T. Blick (Hrsg.): Spinnen Mitteleuropas – Bestimmungsschlüssel, slekten (gattung) Pardosa (tysk)

Eksterne lenker

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Pardosa hyperborea: Brief Summary ( Norwegian )

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Pardosa hyperborea er en av edderkoppene i gruppen ulveedderkopper (Lycosidae). De jakter vanligvis på jordbunn, de spinner ikke fangstnett.

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Pardosa hyperborea ( Romanian; Moldavian; Moldovan )

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Pardosa hyperborea[1] este o specie de păianjeni din genul Pardosa, familia Lycosidae. A fost descrisă pentru prima dată de Tord Tamerlan Teodor Thorell în anul 1872.[2][3] Conform Catalogue of Life specia Pardosa hyperborea nu are subspecii cunoscute.[2]

Referințe

  1. ^ Thorell, T. (1872a) Remarks on synonyms of European spiders. Part III., Upsala, pp. 229-374.
  2. ^ a b Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.) (2011). „Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist”. Species 2000: Reading, UK. Accesat în 24 september 2012. Verificați datele pentru: |access-date= (ajutor)Mentenanță CS1: Nume multiple: lista autorilor (link)
  3. ^ SpidCat: The World Spider Catalog. Platnick N.I. & Raven R.J., 2008-01-07
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Pardosa hyperborea: Brief Summary ( Romanian; Moldavian; Moldovan )

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Pardosa hyperborea este o specie de păianjeni din genul Pardosa, familia Lycosidae. A fost descrisă pentru prima dată de Tord Tamerlan Teodor Thorell în anul 1872. Conform Catalogue of Life specia Pardosa hyperborea nu are subspecii cunoscute.

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Pardosa hyperborea ( Vietnamese )

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Pardosa hyperborea là một loài nhện trong họ Lycosidae. Loài này phân bố ở miền Toàn bắc.

Chú thích

  1. ^ Thorell, T. (1872) Remarks on synonyms of European spiders. Part III. Upsala, pp. 229-374.

Tham khảo


Bài viết về họ nhện Lycosidae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
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Pardosa hyperborea: Brief Summary ( Vietnamese )

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Pardosa hyperborea là một loài nhện trong họ Lycosidae. Loài này phân bố ở miền Toàn bắc.

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