Doratifera vulnerans (Mottled Cup Moth)

These Caterpillars sting. The caterpillars of this species vary in colour from green through grey to red, but all have a pair of yellow and green saddle-like marks on the back which often have a white arc at each end, and a black outline. On the thorax and last two segments are raised knobs: four at each end. Coloured  stinging hairs are protruded from these when the caterpillar is disturbed.The adults have a dark brown abdomen and mottled brown wings. Each forewing has a pale grey terminal area and an indistinct pale discal spot. The hindwings are uniformly light brown. The moths have a wingspan of about 4 cms. The species has been found in Queensland,  New South Wales,  Victoria, and  Western Australia.