Irenicodes pumila Dugdale, 1971: 87. Type locality: New Zealand, Auckland Islands, Northern Auckland Island, Bivouac Hill (Dugdale 1971: 88). Holotype ♂, in NZAC.
Elachista pumila: Dugdale (1988: 112).
Subgenus: Elachista; bifasciella species group.
Distribution: Australasian. New Zealand, Auckland Islands.
Larval host plant(s): unknown.
Figs.: Dugdale (1971).