A. The Australian ghost fungus Omphalotus nidiformis in natural daylight and B. Under long exposure using its own light. Note that to the naked eye, the glow is very faint with a more bluish hue. C. The Kangaroo Island study site consisting of sclerophyll woodland dominated by Eucalyptus fasciculosa, and D. A yellow sticky trap in situ, baited with a cut piece of fresh fungus. Images A, C, and D are by PW, and B is courtesy of Australian Museum/Ray Kearney.