Black house spider

black house spider spider photo

Photo: steve_kerr · CC BY 4.0

Badumna insignis

Identify a Black House Spider in Australia

Dark, sturdy house spider that builds messy lace-like webs around windows, walls, fences and crevices.

Usually low risk

Quick identification

  • Dark charcoal to black spider
  • Often in a messy web with a retreat hole
  • Common around windows, walls and fences
  • Less glossy and less robust than funnel-webs

Danger level

Usually low risk

What to check next

Check if it sits in a permanent messy wall or window web rather than roaming from a burrow.

When to seek medical help

Seek advice for severe pain, allergic symptoms or uncertainty after any bite.

Where it is usually seen

Window frames, fences, tree trunks, walls, sheds and crevices around houses.

Similar spiders

Use the homepage identifier to compare this spider against other Australian spiders by size, colour, location and web clues.

Use the spider identifier