Linyphiidae  Blackwall, 1859 / Mermessus  O. Pickard-Cambridge, 1899   3 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.

Frequency: Widely distributed

Character states from linyphiid key
  No data
Global distribution (WSC 2021): Canada to Peru, Caribbean. Introduced to Europe, North Africa, Turkey
Distribution List
Belgium   (no references) ||| Cyprus   (Bosmans et al., 2019c) ||| Egypt   (Bosmans, unpubl.) ||| France   (no references) ||| Germany   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Netherlands   (no references) ||| Spain   (Branco et al., 2019) ||| Switzerland   (no references) ||| Tunisia   (Bosmans, unpubl.) ||| Turkey (Asia)   (no references) |||

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

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. (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). [N.B.: few records from this paper are not taken over and not commented] 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

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

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 (2021) World Spider Catalog. Version 21.5. Natural History Museum Bern, online at (03.01.2021) doi: 10.24436/2 pdf

17-01-2019 Distribution update Detail
20-05-2014 Distribution update Detail