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Theridiidae  Sundevall, 1833 / Yunohamella  Yoshida, 2007   2 species

Yunohamella palmgreni (Marusik & Tsellarius, 1986)

WSC LSID urn:lsid:nmbe.ch:spidersp:008589

Key to genera | Key to species

Description
Male

Prosoma with a distinct medial depression. Prosoma 1.2-1.3 mm long.

Female

Prosoma length: 1.2-1.3 mm.

Additional information

In different types of forests: Quercus, birch, spruce, pine, mixed forests, in different strata: grass layer, tree trunks, canopy, but mostly on trees.

Distribution
  Presence
  No data
Global distribution (WSC 2026): Finland, Poland, Estonia, Russia (Europe to W-Siberia)
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
species

male Pedipalp, lateral view
(Marusik & Tsellarius 1986)

species

male Tip of pedipalp, ventral view
(Marusik & Tsellarius 1986)

species

female Epigyne
(Blick et al. 2006)

species

female Epigyne
(Marusik & Tsellarius 1986)

species

female Vulva
(Blick et al. 2006)

species

female Vulva
(Marusik & Tsellarius 1986)

species

female Habitus
(Blick et al. 2006)

Distribution List
Estonia   (Blick et al., 2006) ||| Finland   (Koponen et al., 2016; Blick et al., 2006) ||| Poland   (Blick et al., 2006; Rozwałka & Stanska, 2008) ||| Russia, Central   (Blick et al., 2006) ||| Russia, Eastern   (Blick et al., 2006) ||| Russia, Northern   (Blick et al., 2006) ||| Russia, Western   (Blick et al., 2006) |||
References

Blick T, Otto S, Fritzén N R, Floren A (2006) Theridion palmgreni Marusik & Tsellarius, 1986: first record for Poland, new data from Finland, Russia and Estonia - with a review of distribution and ecology (Araneae, Theridiidae). Fragmenta Faunistica 49: 115-126 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

Marusik Y M, Tsellarius A Y (1986) New species of spiders of the genus Theridion (Aranei, Theridiidae) from Karelia. Zoologicheskiĭ Zhurnal 65: 1736-1738 pdf

Rozwałka R, Stanska M (2008) Check-list of spiders (Araneae) of Poland. 1. December 2008. online at http://www.arachnologia.edu.pl/en/species/8-spiders-of-poland.html pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2 pdf

Updates
15-01-2023 Distribution update Detail
01-01-2018 Datasheet update Detail
19-01-2016 Image insert