The Nature LibraryEN·ES
iNat·496641SpeciesArachnida4,881 field observations
  1. Animals
  2. ›Arthropods
  3. ›Chelicerates
  4. ›Arachnids
  5. ›Spiders
  6. ›Typical Spiders
  7. ›Entelegyne Spiders
  8. ›Thomisoidea Spiders
  9. ›Crab Spiders
  10. ›Thomisinae
  11. ›Coriarachnini
  12. ›Xysticus
  13. ›Xysticus cristatus
Swamp Crab Spider
Plate 1 of 4. (c) Mishanook, some rights reserved (CC BY-NC), uploaded by Mishanook · via iNaturalist

Swamp Crab Spider

Xysticus ulmi

Xysticus ulmi, the swamp crab spider, is a European crab spider of the family Thomisidae which prefers damp habitats. It was first described by the German zoologist Carl Wilhelm Hahn in 1831.

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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In the stacks

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Every page naming Xysticus ulmi in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 496641.