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

Robertus frivaldszkyi  (Chyzer, 1894)

WSC LSID urn:lsid:nmbe.ch:spidersp:007967

Key to genera | Key to species

Description
Male

Prosoma 1.7 mm long. Colouration as in female.

Female

Vulva: copulatory ducts coiled as in R. arundineti, but broader and shorter. Palp: claw with 4 teeth. Prosoma dark brownish, darker on edges. Prosoma 2.1 mm long. Sternum brownish, darker on edges. Eyes: AME more than one diameter apart and from ALE, posterior eyes all one diameter apart. Opisthosoma dark greyish, with numerous lighter spots.

Distribution
  Presence
  No data
Global distribution (WSC 2024): Central and south-eastern Europe
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
species

male Pedipalp, retrolateral view
(Knoflach & Thaler 2000)

species

male Pedipalp, ventral view
(Knoflach & Thaler 2000)

species

male Pedipalp, prolateral view
(Knoflach & Thaler 2000)

species

male Pedipalp, retrolateral view
(Wunderlich 1976)

species

female Epigyne/vulva, ventral view
(Knoflach & Thaler 2000)

species

female Epigyne, ventral view
(Wunderlich 1976)

species

female Vulva, dorsal view
(Wunderlich 1976)

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   (Deltshev et al., 2011b) ||| Bulgaria   (Blagoev et al., 2018) ||| Greece   (van Helsdingen et al., 2018) ||| Moldova   (Vasiliev & Mikhailov, 2023) ||| Montenegro   (Naumova et al., 2019a) ||| North Macedonia   (Komnenov, 2014) ||| Romania   (no references) ||| Serbia   (no references) ||| Slovakia   (no references) |||
References

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

Deltshev C, Vrenozi B, Blagoev G, Lazarov S (2011b) Spiders of Albania – faunistic and zoogeographical review (Arachnida: Araneae). Acta Zoologica Bulgarica 63: 125-144 pdf

Helsdingen P J van, IJland S, Komnenov M (2018) Inventory of the spiders (Araneae) of the border region of northern Greece with Albania and FYR Macedonia. Nieuwsbrief SPINED 37: 5-23 pdf

Knoflach B, Thaler K (2000) Notes on Mediterranean Theridiidae (Araneae)-I. Memorie della Società Entomologica Italiana 78: 411-442 pdf

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

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

Vasiliev A I, Mikhailov K G (2023) Annotated checklist of spiders (Araneae) of the Republic of Moldova. Invertebrate Zoology 20: 307-342 pdf

WSC (2024) World Spider Catalog. Version 25.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (31.10.2024) doi: 10.24436/2 pdf

Wunderlich J (1976) Zur Kenntnis der mitteleuropäischen Arten der Gattung Enoplognatha Pavesi und Robertus O. Pick. Cambridge Senckenbergiana Biologica 57: 97-112 pdf

Updates
12-07-2021 Distribution update Detail
17-03-2018 Distribution update Detail
18-12-2014 Image insert
04-12-2013 Distribution update Detail