Micaria nivosa L. Koch, 1866
Description
Male
Embolus strongly bent.
Body length male: 3.2-4.8 mmFemale
Epigyne variable, with bent, mostly bipartite transverse ridge, without groove, with sickle-shaped structure posteriorly. Tibia I and II female: ventrally with 5-6 pairs of thin bristles.
Body length female: 3.2-5.5 mmDistribution
Figures
Pedipalp
(Mikhailov 1988)
Pedipalp, ventral view
(Aakra unpubl.)
Pedipalp, ventral view
(Miller 1967)
Pedipalp, ventral view
(Mikhailov 1988)
Pedipalp, lateral view
(Aakra unpubl.)
Pedipalp
(Miller 1967)
Pedipalp
(Mikhailov 1988)
Pedipalp, ventral view
(Heimer & Nentwig 1991)
Pedipalp, ventral view
(Løvbrekke unpubl.)
Pedipalp, retrolateral view
(Rozwałka 2022)
Pedipalp, ventral view
(Rozwałka 2022)
Pedipalp, retrolateral view
(Tuneva 2007)
Pedipalp, ventral view
(Tuneva 2007)
Tip of cymbium, ventral view
(Tuneva 2007)
Leg I, prolateral view
(Rozwałka 2022)
Epigyne
(Miller 1971)
Epigyne
(Heimer & Nentwig 1991)
Epigyne
(Løvbrekke unpubl.)
Epigyne
(Rozwałka 2022)
Epigyne
(Tuneva 2007)
Epigyne
(Tuneva 2007)
Vulva
(Miller 1967)
Vulva, dorsal view
(Tullgren 1946)
Vulva
(Heimer & Nentwig 1991)
Vulva
(Løvbrekke unpubl.)
Vulva, dorsal view
(Rozwałka 2022)
Vulva, dorsal view
(Tuneva 2007)
Leg I, prolateral view
(Rozwałka 2022)
Habitus, dorsal view
(Rozwałka 2022)
Tibia I
(Heimer & Nentwig 1991)
Habitus, dorsal view
(Tuneva 2007)
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
Aakra K (unpubl.)
Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 
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.
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
Hirna A, Zhukovets E (2022) Catalogue of spiders (Arachnida, Araneae) of the Lviv oblast (Ukraine). National Academy of Sciences of Ukraine, Institute of Ecology of the Carpathians, Lviv, 311 pp.
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
Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001]
Løvbrekke H (unpubl.)
Maurer R, Hänggi A (1990) Katalog der schweizerischen Spinnen. Documenta Faunistica Helvetiae 12
Mikhailov K G (1988) Contribution to the spider fauna of the genus Micaria Westring, 1851 of the USSR. I (Aranei, Gnaphosidae). Spixiana 10: 219-334
Miller F (1967) Studien über die Kopulationsorgane der Spinnengattung Zelotes, Micaria, Robertus und Dipoena nebst Beschreibung einiger neuen oder unvollkommen bekannten Spinnenarten. Přírodovědné práce ústavů Československé Akademie Věd v Brně (N.S.) 1: 251-298
Miller F (1971) Pavouci-Araneida. Klíč zvířeny ČSSR 4: 51-306
Pantini P, Isaia M (2019) Araneae.it: the online catalog of Italian spiders, with addenda on other arachnid orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). Fragmenta Entomologica 51: 127-152
Rozwałka R (2022) New data on distribution of Micaria nivosa L. Koch (Araneae: Gnaphosidae) in Poland. Fragmenta Faunistica 64: 53-58
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
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
Thaler K, Knoflach B (2004b) Zur Faunistik der Spinnen (Araneae) von Österreich: Gnaphosidae, Thomisidae (Dionycha pro parte). Linzer Biologische Beiträge 36: 417-484
Tullgren A (1946) Svensk spindelfauna. 3. Egentiliga spinddlar. Araneae Fam 5-7. Clubionidae, Zoridae och Gnaphosidae. Stockholm (Entomol Fören.): 141 pp.
Tuneva T K (2007) Review of the family Gnaphosidae in the Ural fauna (Aranei). 5. Genera Micaria Westring, 1851 and Arboricaria Bosmans, 2000. Arthropoda Selecta 15: 229-250
Vilbaste A (1987) Eesti Ämblikud (Aranei). Annoteeritud nimestik. Estonian spiders (Aranei). An annotated check list. Valgus, Tallinn. 113 pp. & 512 maps on 67 unpag. pages
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
WSC (2025) World Spider Catalog. Version 26. Natural History Museum Bern, online at http://wsc.nmbe.ch (28.2.2025) doi: 10.24436/2