Transferred to Pachygonia by Felder, 1874 in Felder & Rogenhofer, Reise ├Âst. Fregatte Novara (Zool.) 2 (Abt. 2): pl. 75, fig. 10. Synonymized with Pachygonia subhamata by Kirby, 1892, Synonymic Cat. Lepid. Heterocera1: 637. Reinstated as a species by Rothschild & Jordan, 1903, Novit. zool.9 (suppl.): 409 (key), 410. Transferred to Pachygonidia by Fletcher, 1982, in Nye (ed.), Generic Names Moths of the World4: 115.