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Arkys

ArkysArkys Image Index Arkys alatus (Winged Arkys) Arkys alticephala (High-headed Arkys) Arkys bulburinensis Arkys cornutus (Horned Triangular Spider) Arkys curtulus (Small Bird-dropping Spider) Arkys enigma Arkys lancearius (Triangular Spider) Arkys walckenaeri (Walckenaer’s Studded Triangular Spider)

The Arkys, a group of spiders known as Triangular Spiders or Ambush Spiders is a genus of Australian araneomorph spiders in the family Arkyidae. The Araneomorphae are an infraorder of spiders, that are distinguishable by chelicerae (the mouthparts of the subphylum Chelicerata) that point diagonally forward and cross in a pinching action.

Arkys are usually small, with a triangular shaped abdomen, found in Australia and some of its surrounding islands. This group of spiders do not build webs, instead they can often be found on leaves and tips of flower heads.

Arkys sp, Narara NSW © Michael Doe
Arkys sp on fern, Narara NSW © Michael Doe
Arkys alticephala

— also see Central Coast Arkys alticephala (High-headed Arkys)

Arkys alticephala (High-headed Arkys), Albany WA © Jean and Fred Hort
Arkys alticephala (High-headed Arkys), Albany WA © Jean and Fred Hort
Arkys alatus

— also see Central Coast Arkys alatus (Winged Arkys)

Winged Arkys (Arkys alatus), Bermagui NSW © Deb Taylor
Winged Arkys (Arkys alatus), Bermagui NSW © Deb Taylor
Arkys cornutus

— also see Gold Coast Arkys cornutus (Horned Triangular Spider)

Arkys cornutus, Woy Woy Bay NSW © Michael Doe
Arkys cornutus, Woy Woy Bay NSW © Michael Doe
Arkys curtulus

— also see Central Coast Arkys curtulus (Bird-dropping Spider)

Arkys curtulus, Murrumba Downs QLD © Tony Eales
Arkys curtulus, Murrumba Downs QLD © Tony Eales
Arkys dilatatus
Arkys dilatatus, Woy Woy Bay NSW © Michael Doe
Arkys dilatatus, Woy Woy Bay NSW © Michael Doe
Arkys lancearius

— also see Sapphire Coast Arkys lancearius (Triangular Spider)

Triangular Spider (Arkys lancearius), Narara NSW © Michael Doe
Arkys tuberculatus
Knobbly Arkys (Arkys tuberculatus), Woy Woy Bay NSW © Michael Doe
Knobbly Arkys (Arkys tuberculatus), Woy Woy Bay NSW © Michael Doe
Arkys walckenaeri

— also see Sapphire Coast Walckenaer’s Studded Triangular Spider (Arkys walckenaeri)

Walckenaer's Studded Triangular Spider (Arkys walckenaeri), Wandella NSW © Deb Taylor
Walckenaer’s Studded Triangular Spider (Arkys walckenaeri), Wandella NSW © Deb Taylor
Arkys furcatus, Woy Woy NSW © Michael Doe
Arkys furcatus, Woy Woy NSW © Michael Doe

Footnote & References

  1. Photographs Arkys lancearius © Michael Doe
  2. Photographs Arkys alticephala © Jean and Fred Hort
  3. Photographs Arkys alatus, Arkys curtulus, Arkys walckenaeri © Deb Taylor
  4. Photographs Arkys curtulus © Tony Eales
  5. Arkys Walckenaer, 1837, Atlas of Living Australia, https://bie.ala.org.au/species/Arkys
  6. Triangular Spiders (Genus Arkys), iNaturalistAU, https://inaturalist.ala.org.au/taxa/201612-Arkys
  7. Triangular Spiders, Australian Museum, https://australian.museum/learn/animals/spiders/triangular-spiders-arkys-spp/
  8. Arkyidae Ambush Hunters, Arachne.org.au, https://www.arachne.org.au/01_cms/details.asp?ID=2016

ArkysArkys Image Index Arkys alatus (Winged Arkys) Arkys alticephala (High-headed Arkys) Arkys bulburinensis Arkys cornutus (Horned Triangular Spider) Arkys curtulus (Small Bird-dropping Spider) Arkys enigma Arkys lancearius (Triangular Spider) Arkys walckenaeri (Walckenaer’s Studded Triangular Spider)

SpidersIndex of Spider Images Spiders in Australia Spiders Index Araneidae — Orb Weavers Spider sac Arkys Australian Huntsman Spider Barking Spider Black House Spider Carepalxis sp Celaenia sp Cosmophasis micarioides Crab Spiders Deinopidae — Net-casting Spiders Dolomedes sp Dolophones sp Euryopis umbilicata (Superb Ant-eater Spider) Flower Spiders Gnaphosidae (Stealthy Ground Spider) Hackled Orbweavers (Uloboridae) Helpis minitabunda (Bronze Hopper) Herennia sp Jewel Spider Jumping Spider Long Jawed Spider (Tetragnatha sp) Lynx Spider (Oxyopes) Mangrovia albida Maratus Missulena occatoria (Red-headed Mouse Spider) Molycria burwelli Mopsus mormon Nicodamidae (Red and Black Spider) Nyssus coloripes (Orange-legged Swift Spider) Ogre-faced Net-casting Spider Poltys sp (Twig Spider) Scorpion-tailed Spider (Arachnura higginsi) Redback Spider Miturgidae Salticidae Tetragnatha Thomisidae Tiger Spider (Trichonephila plumipes) White-spotted Swift Spider (Nyssus albopunctatus) Wolf Spider

SpidersIndex of Spider Images Spiders in Australia Spiders Index Araneidae — Orb Weavers Spider sac Arkys Australian Huntsman Spider Barking Spider Black House Spider Carepalxis sp Celaenia sp Cosmophasis micarioides Crab Spiders Deinopidae — Net-casting Spiders Dolomedes sp Dolophones sp Euryopis umbilicata (Superb Ant-eater Spider) Flower Spiders Gnaphosidae (Stealthy Ground Spider) Hackled Orbweavers (Uloboridae) Helpis minitabunda (Bronze Hopper) Herennia sp Jewel Spider Jumping Spider Long Jawed Spider (Tetragnatha sp) Lynx Spider (Oxyopes) Mangrovia albida Maratus Missulena occatoria (Red-headed Mouse Spider) Molycria burwelli Mopsus mormon Nicodamidae (Red and Black Spider) Nyssus coloripes (Orange-legged Swift Spider) Ogre-faced Net-casting Spider Poltys sp (Twig Spider) Scorpion-tailed Spider (Arachnura higginsi) Redback Spider Miturgidae Salticidae Tetragnatha Thomisidae Tiger Spider (Trichonephila plumipes) White-spotted Swift Spider (Nyssus albopunctatus) Wolf Spider

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