A close-up photo of a White-tailed spider (Lampona cylindrata). They are vagrant hunters that seek out and envenom prey rather than spinning a web to capture it; their preferred prey is other spiders. Shallow depth of field; dark background

A close-up photo of a White-tailed spider (Lampona cylindrata). They are vagrant hunters that seek out and envenom prey rather than spinning a web to capture it; their preferred prey is other spiders. Shallow depth of field; dark background

White-tailed spiders are  spiders native to southern and eastern Australia, reported to bite humans. Ulcers and necrosis have been attributed to the bites