Mangina argus, the crotalaria podborer, is a moth of the family Erebidae.

It is found in south-east Asia, including Zhejiang, Fujian, Jiangxi, Guangxi, Guangdong, Yunnan, Taiwan, Hunan, from southern India to Kashmir, the Himalayas, Nepal, Bhutan and Sri Lanka.

[1] Adults with pinkish or brownish red head, thorax and forewing.

Abdomen scarlet with black spots on dorsal, ventral and two paired lateral series.

A dorsal series of transverse white streaks.