Arctia testudinaria, or Patton's tiger, is a moth of the family Erebidae.

[1] The habitat consists of grasslands, slopes, forest edges, clear dry forests, cliffs and mountain slopes, maquis, garrigues and dry meadows.

The larvae feed on various low-growing plants, including Plantago, Rumex, Achillea, Euphorbia cyparissias, Potentilla, Hieracium, Taraxacum, Cynoglossum, Deschampsia, Calamagrostis.

Pupation often takes place under flat stones.

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