Trochosa spinipalpis

Trochosa spinipalpis is a specialised species of Palearctic,[1] wolf spider which is restricted to bogs and other wetlands.

Trochosa spinipalpis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Lycosidae
Genus: Trochosa
Species:
T. spinipalpis
Binomial name
Trochosa spinipalpis
Synonyms[1]
  • Lycosa spinipalpis F. O. Pickard-Cambridge, 1859
  • Trochosa daxinensis Hu, 1984

Description

The male is 6–8 mm long while females measure 9–12 mm in length. The prosoma has an obvious, yellowish median band with dark lateral bands. Two longish, dark oval stripes in anterior half of the bright median band. The opisthosoma is dark reddish brown with dark with an indistinct cardiac mark.[2]

Habitat and ecology

T. spinipalpis has a preference for damp places, especially Sphagnum bogs, wet heathland, damp meadows, fens or marshes.[2]

Distribution

Palearctic but more northerly in regions where suitable wetlands exist, e.g. in Europe north of the Mediterranean zone.[3] In Great Britain it has a very scattered distribution and is widespread but localised.[2]

Conservation

In Great Britain T. spinipalpis has declined and this is probably attributable to drainage of wetlands. Protection of wetlands from drainage and conversion to other land uses by ensuring adequate water supplies is essential to this spider's conservation.[2]

Bite

T. spinipalpis is capable of biting humans, usually when handled and accidentally squeezed. The bite is as painful as a wasp sting and may cause a moderate local epidermal swelling.[3]

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References
  1. "Taxon details Family: Lycosidae / Genus: Trochosa Trochosa spinipalpis (F. O. Pickard-Cambridge, 1895)". Natural History Museum Bern. Retrieved 3 September 2016.
  2. "Species summary for Trochosa spinipalpis". British Arachnological Society. Retrieved 3 September 2016.
  3. "Trochosa spinipalpis (F. O. P.-Cambridge, 1895)". Nentwig W, Blick T, Gloor D, Hänggi A, Kropf C: Spiders of Europe. www.araneae.unibe.ch. Retrieved 3 September 2016.
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