Linyphiidae  Blackwall, 1859 / Mermessus  O. Pickard-Cambridge, 1899   4 species

Mermessus denticulatus  (Banks, 1898)


Tibial apophysis pointed. Epigyne with caudally protruding median plate. Prosoma orange-brown, sometimes darker anteriorly. Sternum orange-brown. Legs brown, to orange-brown. Opisthosoma grey-black, sometimes pale.

Body length male: 1.9-2.5 mm
Body length female: 2.8-3.3 mm
Additional information

Probably brought to Europe from North America together with ornamental plants at the end of the eighties

This species of North American origin is not native to Europe (alien species). It had been introduced to Europe at least once and did establish.

Character states from linyphiid key
  Not established
  No data
Global distribution (WSC 2024): Canada to Peru, Caribbean. Introduced to Europe, North Africa, Turkey
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.

Belgium   (Bosmans & Van Keer, 2017) ||| Cyprus   (Bosmans et al., 2019c) ||| Egypt   (Bosmans, unpubl.) ||| France   (Oger & Picard, 2014) ||| Germany   (Blick et al., 2016) ||| Italy   (Pantini & Isaia, 2019; Trotta, 2012) ||| Malta   (Rehfeldt & Cassar, 2024) ||| Netherlands   (no references) ||| Spain   (Branco et al., 2019) ||| Switzerland   (Hänggi & Stäubli, 2012) ||| Tunisia   (Bosmans, unpubl.) ||| Turkey (Asia)   (Danışman & Coşar, 2019a) ||| United Kingdom   (Killick, 2023) |||

Barrientos J A, Arco L del, Castañé C, Agustí N, Jauset A M, Batuecas I, Alomar Ó (2019b) Arañas epiedáficas (Aranjeae [sic]) en plantaciones de melocotoneros del Segrià, el Bajo Cinca y La Litera (España). Revista Ibérica de Aracnología 34: 41-50 pdf

Barrientos J A, Uribarri I, García-Sarrión R, Enríquez M L, Giralt D (2016) Arañas (Arachnida, Araneae) del Pla de Lleida (Lleida, España). Revista Ibérica de Aracnología 28: 91-101 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

Bosmans R, Van Keer J, Russell-Smith A, Hadjiconstantis M, Komnenov M, Bosselaers J, Huber S, McCowan D, Snazell R, Decae A, Zoumides C, Kielhorn K-H, Oger P (2019c) Spiders of Cyprus (Araneae). A catalogue of all currently known species from Cyprus. Newsletter of the Belgian Arachnological Society 34, Suppl. 1: 1-173 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

Bosmans R. (unpubl.) Provisional list of spiders of North Africa. Database excerpt Aug. 2019

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

Danışman T, Coşar İ (2019a) Occurence of the alien spider Mermessus denticulatus (Banks, 1898) (Araneae: Linyphiidae) in Turkey. Munis Entomology and Zoology 14: 80-82 pdf

Hänggi A, Stäubli A (2012) Nachträge zum „Katalog der schweizerischen Spinnen“: 4. Neunachweise von 2002 bis 2011. Arachnologische Mitteilungen 44: 59-76 pdf

Helsdingen P J van (2009b) Mermessus denticulatus (Banks, 1898) and Mermessus trilobatus (Emerton, 1882), adventive species in the Netherlands (Araneae, Linyphiidae). Contributions to Natural History 12: 617-626 pdf

Killick T (2023) Some accidental imports reported by members of the British Spider Identification Facebook Group. Newsletter of the British Arachnological Society 156/SRS News 105: 6-9 pdf

Lecigne S (2021a) A new species of Sintula (Linyphiidae), redescription of Brigittea innocens (Dictynidae) and eight spider species newly recorded for Turkey (Araneae). Arachnologische Mitteilungen 62: 11-34 pdf

Millidge A F (1987) The Erigonine spiders of North America. Part 8. The Genus Eperigone Crosby and Bishop (Araneae, Linyphiidae). American Museum Novitates 2885: 1-75 pdf

Oger P, Picard J (2014) Découverte en France de Mermessus denticulatus (Banks, 1898) (Araneae, Linyphiidae). Revue Arachnologique (2) 1: 2-4 pdf

Pantini P, Isaia M (2019) 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

Rehfeldt S, Cassar T (2024) A contribution to the arachnofauna (Arachnida: Araneae, Opiliones) of the Maltese Islands, with two new records for Europe. Arachnologische Mitteilungen 67: 18-47 pdf

Trotta A (2012) Nota su alcuni ragni raccolti in una azienda agricola liguree prima segnalazione italiana di Mermessus denticulatus (Araneae). Bollettino della Società Entomologica Italiana 144: 3-6 pdf

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

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