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Linyphiidae  Blackwall, 1859 / Improphantes  Saaristo & Tanasevitch, 1996   12 species

Improphantes holmi (Kronestedt, 1975)

WSC LSID urn:lsid:nmbe.ch:spidersp:010899

Key to genera | Key to species

Description

Male palp with 2 tips on lamella. Paracymbium with one tooth on transverse branch. Prosoma light yellow-brown, margin grey. Legs yellow-brown. Opisthosoma grey.

Body length male: 2.3-2.4 mm
Body length female: 2.3-2.4 mm
Additional information

amongst grass

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2026): Sweden, Finland, Russia (Urals)
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
species

male Pedipalp, ventral view
(Heimer & Nentwig 1991)

species

male Pedipalp
(Kronestedt 1975)

species

male Paracymbium
(Kronestedt 1975)

species

female Epigyne
(Heimer & Nentwig 1991)

species

female Epigyne, lateral view
(Heimer & Nentwig 1991)

species

female Epigyne
(Kronestedt 1975)

species

female Vulva
(Kronestedt 1975)

Distribution List
Finland   (Koponen et al., 2016) ||| Sweden   (Kronestedt, 2001) |||
References

Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin pdf

Koponen S, Fritzén N R, Pajunen T (2016) Checklist of spiders in Finland (Araneae). 6th version, December 2016, online at http://biolcoll.utu.fi/arach/checklist_of_spiders_in_Finland.htm pdf

Kronestedt T (1975) A new species of the genus Lepthyphantes from Sweden (Araneae, Linyphiidae). Entomologisk Tidskrift 96: 162-166 pdf

Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001] pdf

Mikhailov K G (2013) The spiders (Arachnida: Aranei) of Russia and adjacent countries: a non-annotated checklist. Arthropoda Selecta, Supplement 3: 1-262 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