A black and orange caterpillar with spines is crawling across a large, light green leaf

A black and orange caterpillar with spines is crawling across a large, light green leaf. The leaf is part of a plant with a thin stem and a second leaf below it. The plant is growing on a background of dark brown earth and scattered dry foliage. The image was taken in Sambirejo, Indonesia, at the coordinates -7.518 latitude, 111.106 longitude.