Improphantes geniculatus (Kulczyński, 1898)
Description
Male palp with pointed end of lamella. Paracymbium with large forked tooth. Epigyne with rounded plates lateral to scapus (in lateral view), shorter than scapus. Prosoma yellow-brown, with black margin. Legs brown-yellow. Opisthosoma grey.
Body length male: 1.7-2.2 mmBody length female: 2-2.2 mm
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp
(Heimer & Nentwig 1991)
Pedipalp, retrolateral view
(Kielhorn et al. 2026)
Paracymbium
(Esyunin & Efimik 1999)
Epigyne
(Heimer & Nentwig 1991)
Epigyne, lateral view
(Heimer & Nentwig 1991)
Epigyne
(Esyunin & Efimik 1999)
Epigyne, lateral view
(Esyunin & Efimik 1999)
Epigyne
(Kielhorn et al. 2026)
Vulva, dorsal view
(Esyunin & Efimik 1999)
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.
References
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 
Esyunin S L, Efimik V E (1996a) Catalogue of the spiders (Arachnida, Aranei) of the Urals. KMK Scientific Press, Moscow, 228 pp.
Esyunin S L, Efimik V E (1999) Remarks on the Ural spider fauna, 9. New data on the Ural species of the genus Lepthyphantes Menge, 1866 (s.l.) (Aranei: Linyphiidae). Arthropoda Selecta 7: 227-232
Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin
Kielhorn K-H, Förster T, Grimm H (2026) Beiträge zur Fauna des Kyffhäusergebirges. Teil XXI: Die Spinnen des Kyffhäusers (Arachnida, Araneae). Thüringer Faunistische Abhandlungen 30: 39-56
Malicky H (1972b) Vergleichende Barberfallenuntersuchungen auf den Apetloner Hutweiden und im Wiener Neustädter Steinfeld: Spinnen (Araneae). Wissenschaftliche Arbeiten aus dem Burgenland 48: 109-123
Rozwałka R, Łysiak S (2011) First record of the Improphantes geniculatus (Kulczyński, 1898) (Araneae, Linyphiidae) in Poland. Zeszyty Naukowe Uniwersytetu Szczecińskiego, Acta Biologica 18: 131-135
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
Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184
Tanasevitch A V, Alekseenko Y G (2012) To the knowledge of the linyphiid spider fauna (Aranei: Linyphiidae) of limestone steppes in the Russian Plain. Caucasian Entomological Bulletin 8: 193-198
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2