Larvae feed on rushes, constructing a tubular silken shelter at the base of its host plant. Common.
Family
Crambidae
Biostatus
Endemic
Host Plant
Rushes
Larva
Feeds on rushes, creating tubular silken shelter at plant base camouflaged with plant debris.
Pupa
Pupates in silken shelter.
Adult/Imago
October to April.
Forewing Length
10 - 13mm
Range
NZ
Habitat
Swamps, pastures, coastal areas, forest edges and clearings.