Theridion boesenbergi Strand, 1904
Description
Conductor distally with 2 long tips. Epigyne with posteriorly distinctly bulged groove. Vulva with long and complicated convoluted entrance ducts. Prosoma blackish, with darker margins. Sternum blackish. Chelicerae yellowish. Legs yellowish, annulated with black. Opisthosoma blackish, laterally with white spots, dorsally with brighter dark margined median band, ventrally with large white spot.
Body length male: 2 mmBody length female: 2-2.5 mm
Additional information
Under stones and on lower twigs of conifers, in the mountains up to 1800 m
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp, ventral view
(Wiehle 1937)
Pedipalp, ventral view
(Wiśniewski & Wesołowska 2017)
Pedipalp, ventro-lateral view
(Wiśniewski & Wesołowska 2017)
Pedipalp, ventro-lateral view
(Wiśniewski & Wesołowska 2017)
Pedipalp, ventral view
(Dolejš & Rückl 2017)
Epigyne
(Wiehle 1937)
Epigyne
(Dolejš & Rückl 2017)
Vulva
(Thaler 1966)
Habitus
(Wiehle 1937)
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.
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) 
Dolejš P, Rückl K (2017) Two rare spider species (Araneae: Araneidae, Theridiidae) found in the Šumava Mts. Journal of the National Museum (Prague), Natural History Series 186: 85-92
Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91
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
Růžička V, Řezáč M (2022a) Seznam pavouků České republiky. List of spiders of the Czech Republic. Online at https://www.arachnology.cz/seznam-pavouku-cr-26.html and https://www.arachnology.cz/en/seznam-pavouku-cr-26.html
Thaler K (1966) Fragmenta Faunistica Tirolensia (Diplopoda, Arachnida). Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 54: 151-157
Wiehle H (1937) Spinnentiere oder Arachnoidea, VIII. 26: Familie Theridiidae oder Haubennetzspinnen (Kugelspinnen). Die Tierwelt Deutschlands 33: 119-222
Wiśniewski K, Wesołowska W (2017) Rare spider species (Araneae) from the Giant Mountains and the Izera Mountains – new records for the fauna of Poland. Fragmenta Faunistica 59: 115-120
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