The Plutellidae are a family of moths commonly known as the diamondback moths, named after the diamondback moth of European origin. It was once considered to have three subfamilies: Plutellinae, Praydinae, and Scythropiinae. Praydinae was later elevated to its own family, Praydidae, while Scythropiinae has variously been moved to Yponomeutidae or also elevated to its own family.
Crambinae is a large subfamily of the lepidopteran family Crambidae, the crambid snout moths. It currently includes over 1,800 species worldwide. The larvae are root feeders or stem borers, mostly on grasses. A few species are pests of sod grasses, maize, sugar cane, rice, and other Poaceae. The monophyly of this group is supported by the structure of the tympanal organs and the phallus attached medially to the juxta, as well as genetic analyses.
Scoparia is a grass moth genus of subfamily Scopariinae. Some authors have assigned the synonymous taxon Sineudonia to the snout moth family (Pyralidae), where all grass moths were once also included, but this seems to be in error.
Erechthias is a genus of the fungus moth family, Tineidae. Therein, it belongs to the subfamily Erechthiinae, of which it is the type genus. The exact circumscription of this genus is still disputed, but it may encompass more than 150 species.
Glyphipterix achlyoessa, commonly known as the cocksfoot stem borer, is a species of moth in the family Glyphipterigidae. It is endemic to New Zealand and can be found throughout the country. This species inhabits meadows and open grasslands. The larvae are hosted by species in the genus Juncus as well as by the species Dactylis glomerata. Adult moths are commonly on the wing from October to December.
Stathmopoda is a genus of moths. It has variously been placed in its own family, Stathmopodidae, or in subfamily Stathmopodinae in the family Oecophoridae. Note that the phylogeny and systematics of gelechoid moths are still not fully resolved.
Glyphipterix is a genus of sedge moths. It was described by Jacob Hübner in 1825.