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Linyphiidae  Blackwall, 1859 / Mecopisthes  Simon, 1926   14 species

Mecopisthes alter Thaler, 1991

WSC LSID urn:lsid:nmbe.ch:spidersp:011540

Key to genera | Key to species

Description
Tibial apophysis long, claw-shaped. Prosoma brown, with blackish pattern. Legs yellowish. Opisthosoma blackish, with 2 pairs of sigilla. Body length male: 1.3 mm
Body length female: 1.5 mm
Additional information
only in South Tyrol (I) as yet, in two xerothermic habitats, dry meadow and bush forest
Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2026): Italy
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
species

male Pedipalp, retrolateral view
(Thaler 1991a)

species

male Pedipalp, ventral view
(Thaler 1991a)

species

male Embolic division
(Thaler 1991a)

species

male Palpal tibia, dorsal view
(Thaler 1991a)

species

male Tibial apophysis, dorsal view
(Thaler 1991a)

species

male Prosoma, lateral view
(Thaler 1991a)

species

male Prosoma, dorsal view
(Thaler 1991a)

species

female Epigyne/vulva, ventral view
(Thaler 1991a)

species

female Epigyne, aboral view
(Thaler 1991a)

species

female Prosoma, lateral view
(Thaler 1991a)

Distribution List

"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.

Italy   (Isaia et al., 2025) |||
References

Isaia M, Tolve M, Pantini P (2025) Araneae.it: 2.0: the new updated version of the digital catalog of the Italian spiders and other arachnids (Arachnida: Araneae, Opiliones, Scorpiones, Pseudoscorpiones, Palpigradi, Solifugae). Fragmenta Entomologica 57: 197-204 pdf

Thaler K (1991a) Über wenig bekannte Zwergspinnen aus den Alpen-VIII (Arachnida: Aranei, Linyphiidae: Erigoninae). Revue Suisse de Zoologie 98: 165-184 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2 pdf