Oonopidae  Simon, 1890 / Triaeris  Simon, 1892   1 species

Triaeris stenaspis  Simon, 1892

Description

Tibia I-II with 5 pairs and patella I-II with 3 pairs of spines. Metatarsus I-II without spines. Opisthosoma reddish, dorsal scuticula dark red-brown.

Body length female: 1.8 mm
Additional information

Male unknown, probably a parthenogenetic species. Biology mostly unknown, established in various greenhouses.

This species of West African origin is not native to Europe (alien species). It had been introduced to Europe at least once and did establish.

Distribution
  Presence
  No data
Global distribution (WSC 2025): Africa. Introduced to North, Central, South America, St. Helena, Caribbean, Europe, Iran, Taiwan, Australia, Pacific Is.
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
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.

Austria   (Vaněk et al., 2022) ||| Czechia   (Růžička & Řezáč, 2022a) ||| Denmark   (Lissner & Scharff, 2019) ||| Finland   (Koponen et al., 2016) ||| France   (Le Peru, 2007) ||| Germany   (Blick et al., 2016) ||| Hungary   (Pfliegler, 2014) ||| Ireland   (Telfer, 2020) ||| Netherlands   (Bloem & Noordijk, 2021) ||| Poland   (Rozwałka et al., 2017a; Rozwałka et al., 2013) ||| Slovakia   (no references) ||| Switzerland   (Rembold et al., 2020) ||| United Kingdom   (Telfer, 2020) |||
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

Bloem G J, Noordijk J (2021) Arachnids (Arachnida: Araneae, Mesostigmata, Pseudoscorpiones) from tropical greenhouses at Rotterdam Zoo (the Netherlands), including a pholcid spider new to Europe. Arachnologische Mitteilungen 61: 36-44 pdf

Bristowe W S (1948) Notes on the structure and systematic position of oonopid spiders based on an examination of the British species. Proceedings of the Zoological Society of London 118: 878-891 pdf

Helsdingen P J van (2024d) Een tweede vondst in Nederland van Triaeris stenaspis Simon, 1892 [A second find in the Netherlands of Triaeris stenaspis Simon, 1892]. Nieuwsbrief SPINED 42: 25-26 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

Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468 pdf

Lissner J, Scharff N (2019) Danish Spiders. Formerly online at http://www.danmarks-edderkopper.dk pdf

Locket G H, Millidge A F (1951) British spiders. Vol. I. Ray Society, London, 310 pp. pdf

Miller F, Zitnanska O (1976) Einige bemerkenswerte Spinnen aus der Slowakei. Biológia (Bratislava) 31: 81-88 pdf

Pfliegler W P (2014) Records of some rare and interesting spider (Araneae) species from anthropogenic habitats in Debrecen, Hungary. e-Acta Naturalia Pannonica 7: 143-156 pdf

Rembold K, Junge A-L, Amiet F, Balzari C A, Bergamini A, Blaser S, Boch S, Bürki M, Eggenberg S, Eicher C, Ensslin A, Etter L, Friedli C, Gattlen A, Germann C, Gygax A, Hänggi A, Hertwig S T, von Hirschheydt G, Hoess R, Wisler Hofer C, Inäbnit T, Keller C (2020) Vielfalt bedingt Vielfalt – wildlebende Arten im Botanischen Garten der Universität Bern. [additional co-authors: Kneubühler J, Küchler H, Möhl A, Moser T, Neubert E, Pfarrer B, Schäfer D, Schnyder N, Spasojević T, Stofer S, Senn-Irlet B, van der Es R, Fischer M] Mitteilungen der Naturforschenden Gesellschaft in Bern 77: 24-68 pdf

Rozwałka R, Rutkowski T, Bielak-Bielecki P (2013) New data on introduced and rare synanthropic spider species (Arachnida: Araneae) in Poland. Annales Universitatis Mariae Curie-Skłodowska, Lublin-Polonia 68: 127-150 pdf

Rozwałka R, Rutkowski T, Bielak-Bielecki P (2017a) New data on introduced and rare synanthropic spider species (Arachnida: Araneae) in Poland (II). Annales Universitatis Mariae Curie-Skłodowska, Lublin-Polonia 71: 59-85 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

Telfer M G (2020) Triaeris stenaspis Simon, 1892 (Oonopidae) at Whipsnade Butterfly House. Newsletter of the British Arachnological Society 147: 8-9 pdf

Vaněk O, Hörweg C, Milasowszky N (2022) First records of Spermophora kerinci Huber, 2005 and Triaeris stenaspis Simon, 1892 (Arachnida: Araneae: Pholcidae, Oonopidae) in Austria. Biodiversität und Naturschutz in Ostösterreich - BCBEA 6: 99-103 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

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