Arctia ungemachi is a moth of the family Erebidae.

It was described by Ferdinand Le Cerf in 1924 and is named after Henri Ungemach.

[1] The larvae feed on Taraxacum and Plantago species.

[2] This species, along with the others of the genus Atlantarctia, was moved to Arctia as a result of phylogenetic research published by Rönkä et al. in 2016.

This Arctiina-related article is a stub.