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Milky Flower Spider (Zygometis xanthogaster), Belair SA © Marianne Broug

Milky Flower Spider (Zygometis xanthogaster)

Zygometis xanthogasterMilky Flower Spider (Zygometis xanthogaster)

Commonly known as the Milky Flower Spider, as seen in the following photographs from South Australia, the species Zygometis xanthogaster is actually variable in colour.

Milky Flower Spider (Zygometis xanthogaster), Belair SA © Marianne Broug
Milky Flower Spider (Zygometis xanthogaster), Belair SA © Marianne Broug
Milky Flower Spider (Zygometis xanthogaster), Belair SA © Marianne Broug
Milky Flower Spider (Zygometis xanthogaster), Belair SA © Marianne Broug
Milky Flower Spider (Zygometis xanthogaster), Belair SA © Marianne Broug
Milky Flower Spider (Zygometis xanthogaster), Belair SA © Marianne Broug
Milky Flower Spider (Zygometis xanthogaster), Mitcham Hills SA © Marianne Broug
Milky Flower Spider (Zygometis xanthogaster), Mitcham Hills SA © Marianne Broug
Milky Flower Spider (Zygometis xanthogaster), Hawthorndene SA © Marianne Broug
Milky Flower Spider (Zygometis xanthogaster), Hawthorndene SA © Marianne Broug

Every year the flower spiders in the flowering Erigeron patch were completely white. This particular year 2021, they were a different colour. Whilst they are commonly known as the Milky Flower Spider, the colour variation in the species is so great it has been described under different names.

Milky Flower Spider (Zygometis xanthogaster), Hawthorndene SA © Marianne Broug
Milky Flower Spider (Zygometis xanthogaster), Hawthorndene SA © Marianne Broug
Milky Flower Spider (Zygometis xanthogaster), Hawthorndene SA © Marianne Broug
Milky Flower Spider (Zygometis xanthogaster), Hawthorndene SA © Marianne Broug

  • Scientific classification
  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Subphylum: Chelicerata
  • Class: Arachnida
  • Order: Araneae
  • Infraorder: Araneomorphae
  • Family: Thomisidae
  • Genus: Zygometis
  • Species: Zygometis xanthogaster

Footnote & References

  1. Zygometis xanthogaster, Photographs © Marianne Broug, Marianne Broug photography, https://www.mariannebrougphotography.com/
  2. Milky Flower Spider (Zygometis xanthogaster), mariannebroug, iNaturalistAU, https://inaturalist.ala.org.au/observations?place_id=6744&subview=map&taxon_id=820689&user_id=mariannebroug

Zygometis xanthogasterMilky Flower Spider (Zygometis xanthogaster)

ThomisidaeThomisidae Image Index Runcinia acuminata Sidymella Tharrhalea sp Tharrhalea evanida Tharrhalea multopunctata Thomisus spectabilis Tmarus cinerasceus Xysticus bimaculatus Zygometis xanthogaster

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 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