Theridiidae  Sundevall, 1833 / Theridion  Walckenaer, 1805   44 species

Theridion melanostictum  O. P.-Cambridge, 1876


Prosoma 1.1 mm long. Colouration as in female. Opisthosoma: ventral side anteriorly bulging.

Body length male: 2.3-2.5 mm

Prosoma yellowish, with a median longitudinal blackish stripe. Prosoma 1.2 mm long. Legs yellowish with dark marks near articulations. Opisthosoma dorsally yellowish with white and black marks, ventrally with a median black blotch, and 2 lateral black spots near spinnerets.

Body length female: 2.2-3.8 mm
  Not established
  No data
Global distribution (WSC 2018): Macaronesia, Mediterranean to Egypt, India, Central Asia, China, Japan. Introduced to Poland, Canada, USA, Galapagos Is., Society Is.
 male  female
Adults possibly all the year.

Bosmans R, Van Keer J, Russell-Smith A, Kronestedt T, Alderweireldt M, Bosselaers J, De Koninck H (2013) Spiders of Crete (Araneae). Nieuwsbr Belg Arachnol Ver 28: 1-147

Déjean S (2015a) Theridion melanostictum O. Pickard-Cambridge, 1876 (Araneae, Theridiidae) nouveau pour la faune de France. Rev arachnol 2 2: 4-5

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at

Knoflach B (1998) Mating in Theridion varians Hahn and related species (Araneae: Theridiidae). J Nat Hist 32: 545-604

Le Peru B (2011) The spiders of Europe, a synthesis of data: Volume 1 Atypidae to Theridiidae. Mém Soc Linn Lyon 2: 1-522

Levy G, Amitai P (1982a) The comb-footed spider genera Theridion, Achaearanea and Anelosimus of Israel (Araneae: Theridiidae). J. Zool Lond 196: 81-131

Ono H (2011) Spiders (Arachnida, Araneae) of the Ogasawara Islands, Japan. Mem natl Mus nat Sci Tokyo 47: 435-470

Rozwałka R, Dawidowicz Ł, Wawer W (2017b) Three alien spider species (Araneae: Theridiidae) newly found in Poland. Fragmenta Faunistica 60: 61-66

World Spider Catalog (2018) World Spider Catalog. Natural History Museum Bern, online at, version 19.0, accessed on 14.01.2018. doi: 10.24436/2

21-11-2017 Image insert
18-11-2017 Distribution update Old value
12-10-2015 Distribution update Old value
05-08-2014 Image insert
15-10-2013 Distribution update Old value