Pyrausta aurata has a
wingspan of . The forewings are purplish-brown with golden yellow markings. The yellow spots can also be greatly reduced up to complete absence. Sometimes there is an almost indistinct wavy golden postmedian line between the dorsum and the main golden spot. The caterpillar can reach a length of 13 mm. It may be light green, dark green, light brown, black, grey, or reddish, with a darker back line. The head is brownish black. The pupa is quite slender, red-brown to black-brown. ==Biology==