Theridiidae  Sundevall, 1833 / Theridion  Walckenaer, 1805   45 species

Theridion melanostictum  O. P.-Cambridge, 1876

Description
Male

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

Body length male: 2.3-2.5 mm
Female

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
Distribution
  Presence
  Not established
  No data
Global distribution (WSC 2017): Macaronesia, Mediterranean to Egypt, India, Central Asia, China, Japan. Introduced to Poland, Canada, USA, Galapagos Is., Society Is.
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Adults possibly all the year.
Figures
References

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 www.european-arachnology.org

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 (2017) World Spider Catalog, version 18.5. Natural History Museum Bern, online at http://wsc.nmbe.ch, accessed on 5.10.2017. doi: 10.24436/2

Updates
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