Australian painted lady significantly affected by these changes. It has been found to use some species of carduine thistles, which are invasive to Australia, as host plants in New South Wales. Australian painted ladies use the plants as hosts during their larval stage, and as food sources. However, they inflict little damage to the plant. Australian painted lady The Australian painted lady ("Vanessa kershawi") butterfly is mostly confined to Australia, although westerly winds have dispersed it to islands east of Australia, including New Zealand. Debate surrounds the taxonomy of this species. Some believe that the Australian painted lady should be a subspecies of
Painted lady and ventral sides. Those on the dorsal side are black, but in the summer morph sometimes small blue pupils are present. The American painted lady ("V. virginiensis") is most easily distinguishable by its two large hindwing eyespots on the ventral side. "V. virginiensis" also features a white dot within the subapical field of the forewings set in pink on the ventral side, and often as a smaller clean white dot in the orange of the dorsal side too. A less reliable indicator is the row of eyespots on the dorsal submarginal hindwing; "V. virginiensis" often has two larger outer spots