Pycnotarsa sulphurea is a moth in the family Oecophoridae.

The forewings are glossy white with a strong violet sheen and overlaid with yellow scales.

The extreme base of the costa, a longitudinal central line from the base to the termen and the apical edge are all reddish yellow.

The hindwings are glistening light violet yellow.

This article on a moth of the family Oecophoridae is a stub.