Atlas of the European Arachnids

The Atlas of the European Arachnids is an unsystematic but continuously updated collection of records (occurrences) of arachnid species (excluding mites) in central Europe (while not excluding surrounding regions). This site continues the recording scheme of the Arachnologische Gesellschaft, formerly maintained by Aloysius Staudt (www.spiderling.de).

Recorded species
1,666
Min. recorded specimens
4,635,418
Sources
5,056
Locations
39,471

(These statistics are not updated in real-time for performance reasons. The actual numbers may be different. Last update: February 18, 2025, 05:30:13)


Citation: Arachnologische Gesellschaft (2025): Atlas of the European Arachnids, accessed at https://atlas.arages.de on {date of access}


Locations on maps are only displayed with a reduced precision when you are not logged in. Furthermore, the printing functions and advanced statistics are not available. Members of the Arachnologische Gesellschaft can log in at any time and use the Atlas without these restrictions after they have registered for the Members' Area of the main pages. For further information about an AraGes membership see here.



The taxonomy of Araneae on this site follows that of the World Spider Catalog in its latest version, that of the small orders (except Opiliones and Scorpiones) follows the World Arachnida Catalog. If nothing else is specified for a species from a species group, the species “s. str.” is meant.

All geographic coordinates use the WGS84 datum.

Records from the previous recording scheme are strongly reduced (usually only one record per decade, source, species and map grid). Furthermore, the record date is known only as a decade. For some sources the record date was corrected to be precise to a year. Only the latest records carry an exact date or date range spanning only a few days.

Locations from the former recording scheme were only known as a grid number of the topo-map series TK 25 (an “MTB”), i. e. they are only precise to an area of 10×6 minutes. Only the latest records are more precise. Records from outside of Germany are partially associated with a „pseudo”-MTB, i. e. they lie within a rectangular area with coordinates derived from the TK 25 grid number even though this sheet does not actually exist in the series. New records can be localized to any position in the world, also outside the TK 25 series area. Furthermore, some older records were subsequently localized more precisely.

The following grid systems are supported:

Additional record data like collection method, sex, maturity, biotope type, etc. are typically only known for the newest records.

Biotopes are classfied according to the EUNIS (2012 revision).

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Sources with recent updates

Thorell T (1875): Descriptions of several European and North African spiders.Kongliga Svenska Vetenskaps-Akademiens Handlingar 13(5): 1–204 
Voigt S (2024, unpublished): Epigäische Arthropoden / Erfassung mit Bodenfallen.; in: NABU Halle/Saalkreis: Beweidungspflege von Offenland-Splitterflächen für die Erhaltung bzw. Wiederherstellung von FFH-Lebensräumen und Artenvielfalt sowie von Verantwortungsarten innerhalb und außerhalb von Natura 2000-Gebieten. Abschlussbericht: Flächenmonitoring, ELER-Projekt Az.: 407.1.9-60128/630120000003: 30–55 + Anhang 
Buchholz S (unpublished): Spinnen der Sandlandschaften Westfalens. 

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Recently added sources

Voigt S (2024, unpublished): Epigäische Arthropoden / Erfassung mit Bodenfallen.; in: NABU Halle/Saalkreis: Beweidungspflege von Offenland-Splitterflächen für die Erhaltung bzw. Wiederherstellung von FFH-Lebensräumen und Artenvielfalt sowie von Verantwortungsarten innerhalb und außerhalb von Natura 2000-Gebieten. Abschlussbericht: Flächenmonitoring, ELER-Projekt Az.: 407.1.9-60128/630120000003: 30–55 + Anhang 

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Currently processed sources

De Vore-Scribante A (1999): Les pseudoscorpions de la Suisse: étude systématique, faunistique et biogéographique.These, Faculte des Sciences, Université de Genève & Muséum d'histoire naturelle: 314 S.; DOI: 10.13097/archive-ouverte/unige:79720 

New on this site

January 31, 2025:
Version 1.164:
  • Support importing ABCD data fields when importing CSV files.
November 23, 2024:
Version 1.163.3:
  • Mecklenburg-Western Pomerania was missing when printing.
November 16, 2024:
Version 1.163:
  • Information about a record's history in the record tables accessible more easily (button at the start of the record lines; only for logged in users).
November 7, 2024:
Version 1.162:
  • Buttons for formatting source titles
  • Bugfixes
August 10, 2024:
Version 1.161:
  • New records in table format: Buttons to fill columns downwards
  • Smaller changes

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