Linyphiidae  Blackwall, 1859 / Micrargus  Dahl, 1886   9 species

Micrargus apertus  (O. Pickard-Cambridge, 1871)

Description

Male palp with pointed tooth on base of embolus, large surrounding membranous border. Prosoma dark brown. Opisthosoma grey to dark grey.

Body length male: 1.6-1.9 mm
Body length female: 1.7-2.2 mm
Additional information

biology unknown, because often confused with M. herbigradus

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2024): Europe, Japan
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
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.

Austria   (no references) ||| Belgium   (Bosmans & Van Keer, 2017) ||| Bulgaria   (Blagoev et al., 2018) ||| Czechia   (Růžička & Řezáč, 2022a) ||| Denmark   (no references) ||| Estonia   (no references) ||| Finland   (Koponen et al., 2016) ||| France   (no references) ||| Germany   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Latvia   (Cera, 2018) ||| Lithuania   (no references) ||| Luxembourg   (Kreuels et al., 2019) ||| Montenegro   (no references) ||| North Macedonia   (Komnenov, 2020b) ||| Norway   (Aakra & Hauge, 2003) ||| Poland   (Rozwałka & Stanska, 2008) ||| Romania   (no references) ||| Russia, Northern   (no references) ||| Serbia   (Deltshev et al., 2003b) ||| Slovakia   (no references) ||| Spain   (Branco et al., 2019) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (no references) ||| Ukraine   (Gnelitsa, 2005) ||| United Kingdom   (Lavery, 2019) |||
References

Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 pdf

Blagoev G, Deltshev C, Lazarov S, Naumova M (2018) The spiders (Araneae) of Bulgaria. Version: August 2018. National Museum of Natural History, Bulgarian Academy of Sciences. Online at http://www.nmnhs.com/spiders-bulgaria/ (accessed on 10.9.2018) pdf

Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69 pdf

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 pdf

Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152 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.

Gnelitsa V A (2005) [Preliminary data on spiders of the family Linyphiidae of the National Natural Park "Synevyr" (Carpathians, Ukraine)]. Nature Reserves in Ukraine 11: 54-59 pdf

Kielhorn K-H, Gebert J (2022) Erstnachweis von Micrargus apertus (O. Pickard-Cambridge, 1871) und Wiederfund von Coelotes atropos (Walckenaer, 1830) in Sachsen (Arachnida: Araneae). Entomologische Nachrichten und Berichte 66: 19-22 pdf

Komnenov M (2020b) First data on the spider fauna (Araneae) of Maleshevski Mountains in the Republic of Macedonia. Bulletin of the Biology Students' Research Society 5: 33-43 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

Kreuels M, Staudt A, Christian S (2019) Die Spinnenfauna von Luxemburg – eine Zusammenstellung der Nachweise aus den Jahren 1906-2018 (Arachnida: Araneae). Bulletin de la Société des naturalistes luxembourgeois 121: 203-230 pdf

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

Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212 pdf

Løvbrekke H (unpubl.)

Millidge A F (1976) Re-examination of the erigonine spiders "Micrargus herbigradus" and "Pocadicnemus pumila" (Araneae, Linyphiidae). Bulletin of the British Arachnological Society 3: 145-155 pdf

Morka G H (unpubl.)

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 pdf

Rėlys V, Weiss I (1997) Micrargus alpinus sp. n., eine weitere Art der M. herbigradus-Gruppe aus Österreich (Arachnida: Araneae: Linyphiidae). Revue Suisse de Zoologie 104: 491-501 pdf

Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester, England, 204 pp. 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

Staudt A, Weber D, Nährig D (2013) Webspinnen (Arachnida,  Araneae) aus Höhlen des Großherzogtums Luxemburg. Ferrantia 69: 115-157 pdf

Wiśniewski K, Rozwałka R, Wesołowska W (2018) Distribution, habitat affinities and phenology of the Micrargus herbigradus-species group (Araneae: Linyphiidae) in Poland. Biológia (Bratislava) 73: 151-164 pdf

WSC (2024) World Spider Catalog. Version 25.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (22.01.2024) doi: 10.24436/2 pdf

Updates
16-02-2023 Distribution insert Detail
16-11-2022 Distribution update Detail
05-10-2022 Image insert
01-10-2022 Gallery image insert
29-04-2022 Image insert
03-11-2020 Distribution insert Detail
05-04-2018 Image insert
22-08-2014 Image insert
28-04-2013 Distribution update Detail