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

Improphantes nitidus (Thorell, 1875)

Description

Male palp with 2 tips on end of lamella. Paracymbium with large unforked tooth. Epigyne with pointed plates lateral to scapus, as long as scapus (in lateral view). Prosoma dark yellow-brown, with black margin. Legs olive-brown. Opisthosoma grey-brown.

Body length male: 1.7-2.2 mm
Body length female: 1.7-2.2 mm
Additional information

in the litter layer of dry forests and at forest borders

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2026): France to Ukraine
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Austria   (Thaler, 1995) ||| Czechia   (Růžička & Řezáč, 2022a) ||| France   (Le Peru, 2007) ||| Germany   (Blick et al., 2016) ||| Italy   (Isaia et al., 2025) ||| Liechtenstein   (Arnold, 2001) ||| Poland   (Rozwałka & Stanska, 2008) ||| Romania   (Weiss & Petrișor, 1999) ||| Serbia   (Deltshev et al., 2003b) ||| Slovakia   (Gajdoš et al., 1999) ||| Switzerland   (Maurer & Hänggi, 1990) ||| Ukraine   (Roșca, 1936a) |||
References

Arnold K (2001) Beitrag zur Spinnenfauna (Arachnida, Araneae) des Fürstentums Liechtenstein. Berichte der Botanisch-Zoologischen Gesellschaft Liechtenstein-Sargans-Werdenberg 28: 211-244 pdf

Blick T, Finch O-D, Harms K H, Kiechle J, Kielhorn K-H , Kreuels M, Malten A, Martin D, Muster C, Nährig D, Platen R, Rödel I, Scheidler M, Staudt A, Stumpf H, Tolke D (2016) Rote Liste und Gesamtartenliste der Spinnen (Arachnida: Araneae) Deutschlands. 3. Fassung, Stand April 2008, einzelne Änderungen und Nachträge bis August 2015. Naturschutz und Biologische Vielfalt 70/4: 383-510 pdf

Deltshev C D, Ćurčić B P M, Blagoev GA (2003b) The spiders of Serbia. Inst. Zoology, Fac. Biology, Belgrade & Inst. Zoology, Bulg. Acad. Sci., Sofia. 832 pp.

Gajdoš P, Svatoň J, Sloboda J (1999) Katalóg pavúkov Slovenska. Catalogue of Slovakian spiders. Ústav kr. ekol. SAV, Bratislava, 337 pp.

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

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

Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468 pdf

Maurer R, Hänggi A (1990) Katalog der schweizerischen Spinnen. Documenta Faunistica Helvetiae 12 pdf

Roșca A (1936a) Fauna araneelor din Bucovina (sistematica, ecologia si raspândirea geografica). Buletinul Facultatii de Stiinte din Cernauti 10: 123-216 pdf

Rozwałka R, Stanska M (2008) Check-list of spiders (Araneae) of Poland. 1. December 2008. online at http://www.arachnologia.edu.pl/en/species/8-spiders-of-poland.html pdf

Růžička V, Řezáč M (2022a) Seznam pavouků České republiky. List of spiders of the Czech Republic. Online at https://www.arachnology.cz/seznam-pavouku-cr-26.html and https://www.arachnology.cz/en/seznam-pavouku-cr-26.html pdf

Thaler K (1995) Beiträge zur Spinnenfauna von Nordtirol - 5. Linyphiidae 1: Linyphiinae (sensu Wiehle) (Arachnida: Araneida). Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 82: 153-190 pdf

Weiss I, Petrișor A (1999) List of the spiders (Arachnida: Araneae) from Romania. Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa” 41: 79-107 pdf

Wiehle H (1963b) Beiträge zur Kenntnis der deutschen Spinnenfauna III. Zoologische Jahrbücher, Abteilung für Systematik, Geographie und Biologie der Tiere 90: 227-298 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

Updates
29-09-2025 Distribution update Detail
01-04-2017 Datasheet update Detail