This striking species can be easily recognised by the black and white forewing pattern and the yellow longitudinal streaks. The most unusual feature is the pair of prismatic areas on either side of the central black and yellow spot, as well as other colours.
Family
Crambidae
Biostatus
Endemic
Host Plant
Mosses
Larva
Feeds on moss. Shelters in moss cushion base.
Pupa
Pupates in a cocoon within moss.
Adult/Imago
Forewing black and white with yellow longitudinal streaks. Prismatic areas (pearly blue, green, silver or gold) beside central black and yellow spot. October to May. Flies at night, attracted to light.
Forewing Length
10 - 13mm
Range
North Island, most of South Island.
Habitat
Forest clearings, parks, gardens, grasslands.