Resources:
Mysmenidae  Petrunkevitch, 1928 / Trogloneta  Simon, 1922   1 species

Trogloneta granulum Simon, 1922

Description

Embolus short. Epigyne without scapus, posterior margin sclerotised. Prosoma brownish yellow, male: with uniformly descending dorsal line, anterior median eyes smaller than other eyes. Legs brownish yellow. Metatarsus I male: with thorn. Opisthosoma whitish.

Body length male: 0.9 mm
Body length female: 1.1 mm
Additional information

In litter layer of subalpine beech forests, in blocky debris, 700-1000 m a.s.l. This species constructs three-dimensional webs, resembling (if viewed from above) the small orbs built by orb-weavers of some Araneidae.

Troglophile species (Mammola et al., 2022)

Distribution
  Presence
  No data
Global distribution (WSC 2026): Europe
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Austria   (Thaler, 1975a) ||| Czechia   (Růžička & Řezáč, 2022a) ||| France   (Thaler, 1975a) ||| Germany   (Blick et al., 2016) ||| Ireland   (Lavery, 2019) ||| Italy   (Isaia et al., 2025; Thaler, 1975a) ||| Northern Ireland   (Lavery, 2019) ||| Poland   (Rozwałka & Stanska, 2008) ||| Slovakia   (Gajdoš et al., 1999) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Spain   (Branco et al., 2019) ||| United Kingdom   (Gallon, 2020; Lavery, 2019) |||
References

Blick T, Finch O-D, Harms K H, Kiechle J, Kielhorn K-H , Kreuels M, Malten A, Martin D, Muster C, Nährig D, Platen R, Rödel I, Scheidler M, Staudt A, Stumpf H, Tolke D (2016) Rote Liste und Gesamtartenliste der Spinnen (Arachnida: Araneae) Deutschlands. 3. Fassung, Stand April 2008, einzelne Änderungen und Nachträge bis August 2015. Naturschutz und Biologische Vielfalt 70/4: 383-510 pdf

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

Breuss W (2001) Bemerkenswerte Spinnen aus Vorarlberg (Österreich) - I (Arachnida: Araneae: Lycosidae, Theridiidae, Mysmenidae, Gnaphosidae, Salticidae). Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 88: 183-193 pdf

Gajdoš P, Svatoň J, Sloboda J (1999) Katalóg pavúkov Slovenska. Catalogue of Slovakian spiders. Ústav kr. ekol. SAV, Bratislava, 337 pp.

Gallon R C (2020) Trogloneta granulum Simon, 1922 in North Wales (Araneae, Mysmenidae). Newsletter of the British Arachnological Society 147: 15-16 pdf

Isaia M, Tolve M, Pantini P (2025) Araneae.it: 2.0: the new updated version of the digital catalog of the Italian spiders and other arachnids (Arachnida: Araneae, Opiliones, Scorpiones, Pseudoscorpiones, Palpigradi, Solifugae). Fragmenta Entomologica 57: 197-204 pdf

Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91 pdf

Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212 pdf

Mammola S, Pavlek M, Huber B A, Isaia M, Ballarin F, Tolve M, Čupić I, Hesselberg T, Lunghi E, Mouron S, Graco-Roza C, Cardoso P (2022) A trait database and updated checklist for European subterranean spiders. Scientific Data 9(236): 1-13 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

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 pdf

Thaler K (1975a) Trogloneta granulum Simon, eine weitere Reliktart der Nordostalpen (Arachnida, Aranei, "Symphytognathidae"). Revue Suisse de Zoologie 82: 283-291 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

Wunderlich J (1980d) Über europäische Symphytognathidae (Arach.: Araneae). Verhandlungen des Naturwissenschaftlichen Vereins in Hamburg (NF) 23: 259-273 pdf

Updates
05-09-2025 Distribution update Detail
09-05-2020 Distribution update Detail
09-05-2020 Image insert
18-12-2014 Image insert