Linyphiidae  Blackwall, 1859 / Syedra  Simon, 1884   5 species

Syedra myrmicarum (Kulczyński, 1882)

Description
Male

Cymbium basally with 2 humps. Paracymbium with many small denticles. 

Body length male: 1.3-1.6 mm
Female

Epigyne with straight anterior margin of epigynal plate.

Body length female: 1.5 mm
Additional information

In heathland and on xerothermic slopes, in formicaries, under stones.

Character states from linyphiid key
Distribution
  Presence
  No data
Distribution comment: Norway: S. cf. apetlonensis is myrmicarum (Løvbrekke pers. comm.)
Global distribution (WSC 2026): Britain, Norway, Netherlands, Central Europe, Italy, Romania, Russia (Europe)
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   (Thaler, 1995) ||| Czechia   (Růžička & Řezáč, 2022a) ||| Germany   (Blick et al., 2016) ||| Italy   (Isaia et al., 2025) ||| Netherlands   (IJland & Boeken, 2025) ||| Norway   (Aakra et al., 2016) ||| Poland   (Rozwałka & Stanska, 2008) ||| Romania   (Weiss & Petrișor, 1999) ||| Russia, Southern   (Ponomarev, 2022) ||| Slovakia   (Gajdoš et al., 1999) ||| Switzerland   (Maurer & Hänggi, 1990) ||| United Kingdom   (Lavery, 2019; Collyer, 2015) |||
References

Aakra K, Morka G H, Antonson A, Farlund M, Wrånes R E, Frølandshagen R, Løvbrekke H, Furuseth P, Fjellberg A, Lemke M, Pfliegler W P, Andersen S, Olsen K M, Aadland B, Berggren K (2016) Spiders new to Norway (Arachnida, Araneae) with ecological, taxonomical and faunistic comments. Norwegian Journal of Entomology 63: 6-43 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

Collyer P (2015) Syedra myrmicarum: a new species record for the UK. Newsletter of the British Arachnological Society 133: 20 pdf

Fjellberg A (unpubl.) .

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

IJland S, Boeken M (2025) Syedra myrmicarum (Kulczyński, 1882) nieuw voor Nederland (Araneae, Linyphiidae) [Syedra myrmicarum new for the Netherlands]. Nieuwsbrief SPINED 45: 1-3 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

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

Løvbrekke H (unpubl.)

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

Ponomarev A V (2022) Spiders (Arachnida: Araneae) of the southeast of the Russian Plain: catalogue, the fauna specific features. SSC RAS Publishers, Rostov-on-Don, 640 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

Thaler K (1983a) Bemerkenswerte Spinnenfunde in Nordtirol (Österreich) und Nachbarländern: Deckennetzspinnen, Linyphiidae (Arachnida: Aranei). Veröffentlichungen des Museum Ferdinandeum in Innsbruck 63: 135-167 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

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

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