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Linyphiidae  Blackwall, 1859 / Araeoncus  Simon, 1884   24 species

Araeoncus crassiceps  (Westring, 1861)

WSC LSID urn:lsid:nmbe.ch:spidersp:009425

Key to genera | Key to species

Description

Tibial apophysis distally indented. Vulva very membranous section of receptaculum seminis. Prosoma yellow-brown to dark brown, male: with cephalic lobe. Legs yellow-brown, femur and tibia distally blackened. Opisthosoma grey-black.

Body length male: 1.4-2 mm
Body length female: 1.5-2 mm
Additional information

Mostly in open terrain

Frequency: Rarely found

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2020): Europe, Russia (Europe to South Siberia)
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
species

male Pedipalp
(Wiehle 1960a)

species

male Pedipalp
(Locket & Millidge 1953)

species

male Pedipalp
(Roberts 1987)

species

male Pedipalp, retrolateral view
(Løvbrekke unpubl.)

species

male Palpal tibia, dorsal view
(Løvbrekke unpubl.)

species

male Tibial apophysis
(Wiehle 1960a)

species

male Tibial apophysis
(Roberts 1987)

species

male Tibial apophysis
(Locket & Millidge 1953)

species

male Prosoma, lateral view
(Wiehle 1960a)

species

male Prosoma, lateral view
(Roberts 1987)

species

male Prosoma, lateral view
(Locket & Millidge 1953)

species

male Tibia I
(Løvbrekke unpubl.)

species

female Epigyne
(Wiehle 1960a)

species

female Epigyne
(Roberts 1987)

species

female Epigyne
(Locket & Millidge 1953)

species

female Epigyne, ventral view
(Løvbrekke unpubl.)

species

female Epigyne, ventral view
(Løvbrekke unpubl.)

species

female Vulva
(Wiehle 1960a)

species

female Vulva, dorsal view
(Løvbrekke unpubl.)

species

female Vulva, dorsal view
(Fjellberg unpubl.)

species

female Vulva, ventral view
(Fjellberg unpubl.)

Distribution List
Austria   (no references) ||| Belarus   (Ivanov, 2013) ||| Belgium   (no references) ||| Bulgaria   (Blagoev et al., 2018) ||| Czechia   (no references) ||| Denmark   (no references) ||| Estonia   (no references) ||| Finland   (Koponen et al., 2016) ||| France   (no references) ||| Germany   (no references) ||| Ireland   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Latvia   (Cera, 2018) ||| Liechtenstein   (no references) ||| Montenegro   (no references) ||| Netherlands   (no references) ||| Northern Ireland   (no references) ||| Norway   (Aakra & Hauge, 2003) ||| Poland   (no references) ||| Romania   (no references) ||| Russia, Central   (no references) ||| Russia, Eastern   (no references) ||| Russia, Kaliningrad Region   (no references) ||| Russia, Northern   (no references) ||| Russia, Western   (no references) ||| Serbia   (no references) ||| Slovakia   (no references) ||| Spain   (Branco et al., 2019) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (no references) ||| Ukraine   (Polchaninova & Prokopenko, 2019) ||| United Kingdom   (no references) |||
References

Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 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). [N.B.: few records from this paper are not taken over and not commented] Zootaxa 4614: 201-254 pdf

Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152 pdf

Cera I, Keiss O (2016) Spider species new to the fauna of Latvia and new localities for Gnaphosa lapponum and G. nigerrima (Araneae: Gnaphosidae). Latvijas Entomologs 53: 122-124 pdf

Fjellberg A (unpubl.)

Ivanov V V (2013) The checklist of Belarusian spiders (Arachnida, Araneae). Zoology and Ecology 4: 293-311 pdf

Koponen S, Fritzén N R, Pajunen T (2016) Checklist of spiders in Finland (Araneae). 6th version, December 2016, online at http://biolcoll.utu.fi/arach/checklist_of_spiders_in_Finland.htm pdf

Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001] pdf

Locket G H, Millidge A F (1953) British spiders. Vol. II. Ray Society, London, 449 pp. pdf

Løvbrekke H (unpubl.)

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). http://araneae.it. Fragmenta Entomologica 51: 127-152 pdf

Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App pdf

Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester, England, 204 pp. pdf

Wiehle H (1960a) Spinnentiere oder Arachnoidea (Araneae). XI. Micryphantidae-Zwergspinnen. Die Tierwelt Deutschlands 47: 1-620 pdf

World Spider Catalog (2020) World Spider Catalog. Version 21.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.03.2020) doi: 10.24436/2 pdf

Updates
23-12-2019 Image insert
23-01-2018 Distribution update Detail
31-05-2016 Image insert
12-03-2015 Image insert
11-12-2014 Image insert