Elachista archaeonoma Meyrick, 1889
Elachista archaeonoma Meyrick, 1889: 179 . Type locality: New Zealand, Auckland (Meyrick 1889: 179 also lists Wellington and Dunedin). Lectotype ♂ designated by Dugdale (1988: 111), in NHMUK.
Cosmiotes archaeonoma: Dugdale (1971: 79) .
Subgenus: Elachista; freyerella species group.
Distribution: Australasian. New Zealand.
Larval host plant(s): Agrostis (Microlaena) avenacea J.F.Gmel., Poaceae spp. (all Poaceae) (Dugdale 1971). Due to taxonomic confusion regarding the identity of E. archaeonoma, the host plant record is uncertain.
Figs.: Hudson (1928).
See Remarks under E. synethes .