A fairly common grass moth. Larvae tunnel downwards in the growing leaf bases of toetoe and pampas grass.
Family
Crambidae
Biostatus
Endemic
Host Plant
Toetoe and pampas grass
Larva
Tunnels downwards in toetoe and pampas grass leaf-bases.
Pupa
Pupates in silken shelter.
Adult/Imago
October to April.
Forewing Length
15 - 24mm
Range
NZ
Habitat
Swamps, pastures, coastal areas.