Summary for Pirata tenuitarsis (Araneae)

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National Distribution

 
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Identification difficulty rating: 3
Name: Pirata tenuitarsis
Authority: Simon, 1876
Order: Arachnida: Araneae
Family: Lycosidae
National Rarity status: NS
IUCN status: LC

Records: 313
First Record: 1975
Latest Record: 2017

1992-on hectads: 54
Pre-1992 hectads: 37
Total hectads: 81

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About this species

Recorded altitude range
0m to 610m

Species text

Distribution
The spider may be numerous in suitable habitat, but is local. The species appears to be widespread on southern heathland, in north-west Wales, and the mosses of Cheshire and Shropshire but is otherwise very scattered in the southern half of Britain. It is widespread in central southern Europe but with records as far north as south-west Sweden (Michelucci & Tongiorgi 1975; Kronestedt 1980a). It was first recorded in Ireland at Pollardstown Fen, Co. Kildare (van Helsdingen 1997).

Habitat and ecology
P. tenuitarsis and P. piraticus generally have quite distinct habitats, at least in the south. P. tenuitarsis occurs in acid bogs, with most records from Sphagnum bogs, often in the vicinity of bog pools, and wet heathland.

Status
The presence of P. tenuitarsis in England was first established by Kronestedt (1980), who discovered specimens in the collections of the Natural History Museum wrongly identified as P. piraticus. It is fairly widespread in southern Britain but apparently local.

Threats
Drainage and degradation of acid bogs.

Management and conservation
Protection of wet heaths and bogs from drainage, peat digging and excessive trampling.

Text based on Dawson, I.K., Harvey, P.R., Merrett, P. & Russell-Smith, A.R. (in prep.).  References

Adult Season

Adult Season Data (based on 72 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 61 records with habitat information)

Broad subhabitat Data (based on 4 records with subhabitat information)

Structural Habitat Data (based on 28 records with structural habitat information)

Habitat Detail and Method (based on 32 records with habitat detail and method information)

Recorded management for locations with Pirata tenuitarsis

Recorded substrate and hydrology for locations with Pirata tenuitarsis

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