Trematocephalus cristatus (Wider, 1834)
Description
Paracymbium strongly structured. Prosoma red-orange, with black eye region and median spot. Male: with spattle-shaped process which overlies the elevated eye region. Legs red-orange. Opisthosoma black-grey.
Body length male: 2.0-2.2 mmBody length female: 2.5-2.6 mm
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
 |  |
Figures
Pedipalp
(Wiehle 1960a)
Pedipalp
(Wiehle 1960a)
Pedipalp
(Roberts 1987)
Pedipalp
(Locket et al. 1974)
Pedipalp, retrolateral view
(Lecigne 2018b)
Pedipalp, dorsal view
(Irfan et al. 2025a)
Pedipalp, prolateral view
(Irfan et al. 2025a)
Pedipalp, retrolateral view
(Irfan et al. 2025a)
Pedipalp, ventral view
(Irfan et al. 2025a)
Embolic division, prolateral view
(Irfan et al. 2025a)
Embolic division, ventral view
(Irfan et al. 2025a)
Protegulum, ventral view
(Irfan et al. 2025a)
Suprategular apophysis, retrolateral view
(Irfan et al. 2025a)
Palpal tibia
(Locket et al. 1974)
Prosoma, lateral view
(Roberts 1987)
Prosoma, dorsal view
(Locket et al. 1974)
Prosoma, lateral view
(Locket et al. 1974)
Prosoma, lateral view
(Wiehle 1960a)
Prosoma, dorsal view
(Wiehle 1960a)
Prosoma, dorsal view
(Irfan et al. 2025a)
Prosoma, lateral view
(Irfan et al. 2025a)
Epigyne
(Wiehle 1960a)
Epigyne
(Roberts 1987)
Epigyne
(Locket et al. 1974)
Epigyne
(Vicente & Miñarro 2024)
Epigyne
(Irfan et al. 2025a)
Vulva
(Wiehle 1960a)
Vulva, dorsal view
(Vicente & Miñarro 2024)
Vulva, dorsal view
(Irfan et al. 2025a)
Vulva, ventral view
(Irfan et al. 2025a)
Prosoma, dorsal view
(Irfan et al. 2025a)
Habitus, dorsal view
(Vicente & Miñarro 2024)
Habitus, dorsal view
(Vicente & Miñarro 2024)
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
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 
Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69
Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152
Danışman T, Kunt K B, Özkütük R S, Coşar İ (2025a) The checklist of the spiders of Turkey. Version 2025 [last updated 01 December 2025], online at http://www.spidersofturkey.info
Deltshev C D, Ćurčić B P M, Blagoev GA (2003b) The spiders of Serbia. Inst. Zoology, Fac. Biology, Belgrade & Inst. Zoology, Bulg. Acad. Sci., Sofia. 832 pp.
Esyunin S L, Efimik V E (1996a) Catalogue of the spiders (Arachnida, Aranei) of the Urals. KMK Scientific Press, Moscow, 228 pp.
Gajdoš P, Svatoň J, Sloboda J (1999) Katalóg pavúkov Slovenska. Catalogue of Slovakian spiders. Ústav kr. ekol. SAV, Bratislava, 337 pp.
Helsdingen P J van (2025a) Catalogus van de Nederlandse spinnen. Versie 2025.1. 249 pp.
Irfan M, Zhou G C, Peng X J, Zhang Z S (2025a) Survey of Linyphiidae spiders (Arachnida: Araneae) from some oriental regions of China. Megataxa 15: 1-248
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
Ivanov V V (2013) The checklist of Belarusian spiders (Arachnida, Araneae). Zoology and Ecology 4: 293-311
Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91
Kreuels M, Staudt A, Christian S (2019) Die Spinnenfauna von Luxemburg – eine Zusammenstellung der Nachweise aus den Jahren 1906-2018 (Arachnida: Araneae). Bulletin de la Société des naturalistes luxembourgeois 121: 203-230
Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001]
Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212
Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468
Lecigne S (2018b) Récits de chasses aranéologiques récentes dans plusieurs départements de France. Redécouverte de Philodromus buchari Kubcová, 2004 (Araneae: Philodromidae) et confirmation de la présence de Theridion harmsi Wunderlich, 2011 (Araneae: Theridiidae). Nieuwsbrief van de Belgische Arachnologische Vereniging 33: 59-99
Locket G H, Millidge A F, Merrett P (1974) British Spiders, Volume III. Ray Society, London, 315 pp.
Machač O, Ivinskis P, Rimšaitė J (2016) Several new for the Lithuanian fauna species of spiders (Araneae). Naujos ir retos Lietuvos vabzdžių rūšys 28: 121-126
Maurer R, Hänggi A (1990) Katalog der schweizerischen Spinnen. Documenta Faunistica Helvetiae 12
Mikhailov K G, Propistsova E A (2017) On the spiders (Arachnida: Aranei) from Armenia. Arthropoda Selecta 26: 369-371
Otto S (2022) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 02.2022. Internet: caucasus-spiders.info.
Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App
Ponomarev A V (2022) Spiders (Arachnida: Araneae) of the southeast of the Russian Plain: catalogue, the fauna specific features. SSC RAS Publishers, Rostov-on-Don, 640 pp.
Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester, England, 204 pp.
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
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
Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184
Schikora H-B (2014) Die Webspinnen des Regenrnoorkomplexes Zehlaubruch, Kaliningrad-Region von Russland (Arachnida, Araneae). Abhandlungen des Naturwissenschaftlichen Vereins zu Bremen 47: 427-446
Thaler K (1999b) Beiträge zur Spinnenfauna von Nordtirol - 6. Linyphiidae 2: Erigoninae (sensu Wiehle) (Arachnida: Araneida). Veröffentlichungen des Tiroler Landesmuseums Ferdinandeum 79: 215-264
Vicente R, Miñarro M (2024) Trematocephalus cristatus (Wider, 1834), a new spider for the Iberian Peninsula (Linyphiidae). Revista Ibérica de Aracnología 44: 97-100
Weiss I, Petrișor A (1999) List of the spiders (Arachnida: Araneae) from Romania. Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa” 41: 79-107
Wiehle H (1960a) Spinnentiere oder Arachnoidea (Araneae). XI. Micryphantidae-Zwergspinnen. Die Tierwelt Deutschlands 47: 1-620
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2
Updates
| 21-10-2025 | Distribution update | Detail |
| 22-09-2025 | Distribution update | Detail |
| 06-02-2025 | Image insert | |
| 15-07-2024 | Image insert | |
| 15-07-2024 | Distribution insert | Detail |
| 26-01-2021 | Distribution update | Detail |
| 14-05-2020 | Distribution insert | Detail |
| 20-09-2018 | Image insert | |
| 14-12-2017 | Distribution update | Detail |