Myrtartona rufiventris

Myrtartona rufiventris is a species of moth in the Zygaenidae family. It is found in Western Australia, South Australia and Victoria.

The length of the forewings is 9–10.5 millimetres (0.35–0.41 in) for males and 7.5–8.5 millimetres (0.30–0.33 in) for females. The forewings are blackish brown with scattered whitish scales. The hindwings are elliptical, dark grey-brown, but paler proximally.

Adults have been reported exhibiting thanatosis when disturbed.

The larvae feed on Melaleuca lanceolata.