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Theridiidae  Sundevall, 1833 / Enoplognatha  Pavesi, 1880   31 species

Enoplognatha nigromarginata (Lucas, 1846)

WSC LSID urn:lsid:nmbe.ch:spidersp:007574

Key to genera | Key to species

Description
Male

Prosoma 1.3-2.1 mm long. Colouration as in female. Chelicerae with 2 frontal teeth, one posterior tooth and 2 teeth in fang groove, basal tooth strongest and with small basal denticle.

Body length male: 2.9-4.7 mm
Female

Epigyne with an arched, chitinised structure. Prosoma yellowish brown with a black median stripe and a thin black borderline. Prosoma 1.4-2 mm long. Sternum brown with posterior median black stripe. Legs uniform yellowish brown, femur I 1.3 times as long as prosoma. Opisthosoma olive, dorsally with distinct folium, in middle with elongated whitish band with central dark spot, ventrally with broad black band and lateral narrow white stripes.

Body length female: 3.9-5.2 mm
Additional information

On river banks and under stones along brooks.

Distribution
  Presence
  No data
Global distribution (WSC 2026): Portugal, Spain, France (Corsica), Italy, Morocco, Algeria
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
species

male Pedipalp, ventral view
(Bosmans & Van Keer 1999)

species

male Pedipalp, lateral view
(Bosmans & Van Keer 1999)

species

male Chelicera
(Bosmans & Van Keer 1999)

species

male Chelicera
(Bosmans & Van Keer 1999)

species

female Epigyne
(Bosmans & Van Keer 1999)

species

female Vulva, ventral view
(Bosmans & Van Keer 1999)

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.

Algeria   (Benhacene et al., 2023) ||| France / Corsica   (Le Peru, 2007) ||| Greece  Removed (Bosmans & Chatzaki, 2005) ||| Italy   (Isaia et al., 2025) ||| Italy / Sardinia   (Isaia et al., 2025) ||| Morocco   (Benhalima & Bosmans, 2024) ||| Portugal   (Branco et al., 2019) ||| Spain   (Branco et al., 2019) |||
References

Benhacene R, Adjami A, Hadjeb A, Kermiche K, Ouakid M L (2023) Bibliographic checklist of the Algerian spider fauna (Araneae). Zootaxa 5352: 301-357 pdf

Benhalima S, Bosmans R (2024) First historical checklist of spiders (Arachnida: Araneae) from Morocco, between 1840–2024. Zootaxa 5555: 407-535 pdf

Bosmans R, Chatzaki M (2005) A catalogue of the spiders of Greece – a critical review of all spider species cited from Greece with their localities. Nieuwsbrief van de Belgische arachnologische Vereniging 20 (2, suppl.): 1-124 pdf

Bosmans R, Van Keer J (1999) The genus Enoplognatha Pavesi, 1880 in the Mediterranean region (Araneae: Theridiidae). Bulletin of the British Arachnological Society 11: 209-241 pdf

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

Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468 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

Updates
28-10-2025 Distribution update Detail