ThomisidaeRuncinia acuminata Sidymella Sidymella hirsuta Tharrhalea sp Tharrhalea evanida Tharrhalea multopunctata Thomisus spectabilis Tmarus cinerasceus Xysticus bimaculatus Zygometis xanthogaster

Sometimes overlooked when resting on a hairy plant, the Hairy Crab Spider (Sidymella hirsuta) is a medium-sized crab spider that is covered in strong bristly hairs.

Hairy Crab Spider (Sidymella hirsuta), Brisbane QLD © Stefan Jones
Hairy Crab Spider (Sidymella hirsuta), Brisbane QLD © Stefan Jones

Similar in shape and appearance, the female is slightly larger then the male. The colour of the Hairy Crab Spider is variable, ranging from light cream and shades of brown to dark brown in colour. The lighter form is more common than the dark form.

Hairy Crab Spider (Sidymella hirsuta), Brisbane QLD © Stefan Jones
Hairy Crab Spider (Sidymella hirsuta), Brisbane QLD © Stefan Jones

Found along the east coast of Australia, down to Tasmania and southern part of Western Australia, the Hairy Crab Spider have been sighted in suburban parks and gardens.


  • Scientific classification
  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Subphylum: Chelicerata
  • Class: Arachnida
  • Order: Araneae
  • Suborder: Araneomorphae
  • Infraorder: Entelegynae
  • Superfamily: Thomisoidea
  • Family: Thomisidae
  • Genus: Sidymella
  • Species:
    • Sidymella hirsuta

Footnote & References

  1. Sidymella hirsuta (L. Koch, 1874), Atlas of Living Australia, https://bie.ala.org.au/species/https://biodiversity.org.au/afd/taxa/198b5948-d115-45f4-b72b-c36d1b6268be
  2. Hairy Crab Spider (Sidymella hirsuta), iNaturalistAU, https://inaturalist.ala.org.au/taxa/202190-Sidymella-hirsuta
  3. Sidymella hirsuta (Koch, 1873) Hairy Crab Spider, Arachne.org.au, http://www.arachne.org.au/01_cms/details.asp?ID=1616 (this site is no longer active. Some content can be viewed on Wayback Machine)
  4. Photographs Sidymella hirsuta © Stefan Jones

ThomisidaeRuncinia acuminata Sidymella Sidymella hirsuta Tharrhalea sp Tharrhalea evanida Tharrhalea multopunctata Thomisus spectabilis Tmarus cinerasceus Xysticus bimaculatus Zygometis xanthogaster

SpidersIndex of Spider Images Spiders in Australia Araneidae — Orb Weavers Arkys Australian Huntsman Spider Barking Spider Black House Spider Carepalxis sp Celaenia sp Crab Spiders Deinopidae — Net-casting Spiders Dolomedes sp Dolophones sp Flower Spiders Hackled Orbweavers (Uloboridae) Jewel Spider Jumping Spider Long Jawed Spider (Tetragnatha sp) Lynx Spider (Oxyopes) Mangrovia albida Maratus volans Missulena occatoria (Red-headed Mouse Spider) Miturgidae Nicodamidae (Red and Black Spider) Ogre-faced Net-casting Spider Poltys sp (Twig Spider) Redback Spider Scorpion-tailed Spider (Arachnura higginsi) Thomisidae Tiger Spider (Trichonephila plumipes) White-spotted Swift Spider (Nyssus albopunctatus) Wolf Spider