Tenuiphantes tenuis

  • tenuiphantes tenuis by SE Thorpe
  • Tenuiphantes_tenuis by Caroline Harding
  • Tenuiphantes_tenuis  by Christian Devillers

Tenuiphantes tenuis
ex Lepthyphantes tenuis
Classification
Kingdom: Animal
Branch: arthropods
Subphylum: Chelicerata
Class: Arachnida
Order: spiders
Infra Araneomorphae (true spiders)
No taxon (Entelegyne)
Family Linyphiidae (Sheetweb and dwarf spiders)
Under Linyphiinae (Sheetweb spiders)
Genus Tenuiphantes
Species: Tenuiphantes tenuis (Blackwall, 1852)


Description / Identification
Body length: female 2 to 3.5 mm. male 2-3mm.
the cephalothorax is dark brown,
the light brown abdomen has net blackspot, seeming to connect between them by fine lines, white punctuations are superimposed on the ground.
Only a thorough the epigynum or palps to say that we have a Tenuiphantes tenuis (Blackwall 1852), (Leptyphantes tenuis, former taxon.)
One feature is that the legs are not ringed and colors yellow-brown.
Male palp with shorter, wider distal tooth of the coverslip.
Paracymbium also with long teeth.
Visible part of scapus rear, underlying part of scapus anchor with semicircular side margins. Yellow-brown prosoma.
Opisthosoma whitish rafters paired.

Habitat
Low vegetation, MOSS and leaf litter in a wide variety of habitats.
The species is a frequent aeronaut

Possible confusion
with t. zimmermanni. , Tenuiphantes flavipes
with n. clathrata but the size does not match
Conclusion it must be the binocular


Photo 1 SE Thorpe    source http://upload.wikimedia.org/wikipedia/commons/c/c4/Tamaki_linyphiid_sp._1_%28female%29.jpg
Photo 2Caroline Harding Source http://upload.wikimedia.org/wikipedia/commons/f/fe/Tenuiphantes_tenuis.jpg
Photo 3Christian Devillers source http://www.galerie-insecte.org/galerie/view.php?adr=image/ dos56/temp/_033.jpg

  • tenuiphantes tenuis epigyne by SE Thorpe
  • Tenuiphantes_tenuis by Ch. Roy
  • Tenuiphantes_tenuis by Ch. Roy

Photo 1 SE Thorpe  source http://upload.wikimedia.org/wikipedia/commons/e/ee/Tamaki_linyphiid_sp._1_%28epigyne%29.jpg
Photo 2 and 3 Roy c.   source http://www.galerie-insecte.org/galerie/view.php?adr=image/ dos91/temp/araignees_vendeec.jpg and http://www.galerie-insecte.org/galerie/view.php?adr=image/ dos65/temp/araignees_vendee5.jpg

PERIODS D COMMENTS

Périodes d observation de Tenuiphantes tenuis

Adults can be found throughout the year, especially in summer and autumn.

OBSERVATIONS IN PICARDY

observations en Picardie de Tenuiphantes tenuis

Appendices and bibliography

Referring sites
http://arachno.Piwigo.com/index?/ tags/179-tenuiphantes_tenuis
http://www.Araneae.unibe.ch/data/1194/Tenuiphantes_tenuis
http://www.Galerie-insecte.org/Galerie/wikige.php?tenuiphantes%20tenuis


Roberts, Guide Collins MJ: Spiders of Britain and Northern Europe. HarperCollins, London, 383 p (FYI: the catalogue lists world spider that 1995, but the book says 1996)

Helsdingen, PJ van, K. Thaler & C. Deltshev 1977. Lepthyphantes Menge (Araneae, Linyphiidae) tenuis group. Tijdschr. Ent. 120: 1-54. (Available online through the BHL here, the description of the species begins at the bottom of the page the link will take you to)