Theridiidae  Sundevall, 1833 / Robertus  O. Pickard-Cambridge, 1879   18 species

Robertus mediterraneus  Eskov, 1987

Description
Male

Prosoma 1.4-1.7 mm long. Colouration as in female.

Body length male: 2.8 mm
Female

Epigyne posteriorly with a strongly sclerotized rounded plate. Palp: claw with 3 teeth. Prosoma brownish yellow, 1.4-1.7 mm long. Chelicerae: anterior margin with 3 teeth, of which the middle one is largest, both proximal teeth contiguous. Opisthosoma yellow-brownish.

Body length female: 3.5 mm
Additional information

In the ground layer of forests of medium altitudes, Mediterranean species.

Distribution
  Presence
  No data
Global distribution (WSC 2024): Spain, France, Switzerland, Austria, Italy, Slovenia, Eastern Europe, Caucasus
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
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.

Albania   (van Helsdingen & IJland, 2015) ||| Austria   (Milasowszky et al., 2015) ||| Azerbaijan   (Otto, 2022) ||| Bosnia and Herzegovina   (Komnenov, 2010) ||| Bulgaria   (Blagoev et al., 2018) ||| France   (no references) ||| Georgia   (Otto, 2022) ||| Greece   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Montenegro   (Naumova et al., 2019a) ||| North Macedonia   (Komnenov, 2014) ||| Romania   (no references) ||| Russia, Southern   (Otto, 2022; Ponomarev, 2022) ||| Serbia   (Ćurčić et al., 2007) ||| Slovenia   (Kuralt et al., 2024) ||| Spain   (Branco et al., 2019) ||| Switzerland   (Hänggi et al., 2022) ||| Ukraine   (Mikhailov, 2013) |||
References

Barrientos J A, Uribarri I, García-Sarrión R (2014a) Arañas (Arachnida, Araneae) de un hayedo del Montseny (Cataluña, España). Revista Ibérica de Aracnología 24: 3-14 pdf

Blagoev G, Deltshev C, Lazarov S, Naumova M (2018) The spiders (Araneae) of Bulgaria. Version: August 2018. National Museum of Natural History, Bulgarian Academy of Sciences. Online at http://www.nmnhs.com/spiders-bulgaria/ (accessed on 10.9.2018) pdf

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

Breitling R (2020) South European spiders from the Duffey collection in the Manchester Museum (Arachnida: Araneae). Arachnology 18: 333-362 pdf

Ćurčić B P M, Deltshev C C, Tomić V T, Ćurčić S B (2007) Biodiversity of spiders: on some taxa new to Serbia and to science. Archives of Biological Sciences Belgrade 59: 19P-20P pdf

Eskov K Y (1987a) The spider genus Robertus O. Pickard Cambridge in the USSR, with an analysis of its distribution. Senckenbergiana Biologica 67: 279-296 pdf

Hänggi A, Pétremand G, Brenneisen S (2022) Spiders (Araneae) from green roofs in north-west Switzerland – faunistic data with two species new to Switzerland. Arachnologische Mitteilungen 64: 73-82 pdf

Helsdingen P J van, IJland S (2015) A quick scan of the spider fauna in the surroundings of Përmet, Albania (Arachnida, Araneae) - preliminary report. Nieuwsbrief SPINED 35: 15-33 pdf

Knoflach B (1992) Neue Robertus-Funde in den Alpen: R. mediterraneus Eskoiv und Robertus sp.. Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 79: 161-171 pdf

Komnenov M (2010) Checklist of spiders (Araneae) of Bosnia and Herzegovina. Uzizaž i Biospeld 5(2009): 52-69 pdf

Komnenov M (2014) Spider fauna of the Osogovo Mt. Range, Northeastern Macedonia. Fauna Balkana 2: 1-267 pdf

Kuralt Ž, Pajek Arambašič N, Ferle M, Kostanjšek R (2024) A contribution to the Slovenian spider fauna – V. Natura Sloveniae 26: 29-42 pdf

Mikhailov K G (2013) The spiders (Arachnida: Aranei) of Russia and adjacent countries: a non-annotated checklist. Arthropoda Selecta, Supplement 3: 1-262 pdf

Milasowszky N, Bauchhenss E, Freudenschuss M, Hepner M, Komposch C, Zulka K P (2015) Erstnachweise von Spinnen in Österreich (Araneae: Gnaphosidae, Linyphiidae, Lycosidae, Philodromidae, Theridiidae, Titanoecidae, Salticidae). Biodiversität und Naturschutz in Ostösterreich ‐ BCBEA 1/2: 296-303 pdf

Naumova M, Lazarov S, Deltshev C (2019a) Faunistic diversity of the spiders in Montenegro (Arachnida: Araneae). Ecologica Montenegrina 22: 50-89 pdf

Otto S (2022) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 02.2022. Internet: caucasus-spiders.info.

Pantini P, Isaia M (2019) Araneae.it: 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

Ponomarev A V (2022) Spiders (Arachnida: Araneae) of the southeast of the Russian Plain: catalogue, the fauna specific features. SSC RAS Publishers, Rostov-on-Don, 640 pp. pdf

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

Updates
18-07-2024 Distribution insert Detail
25-03-2023 Image insert
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01-12-2013 Distribution update Detail