Eudonia asterisca is a moth in the family Crambidae. It was named by Edward Meyrick in 1884 and is endemic to New Zealand. It has been recorded in both the North and South Islands. This species is recorded as being present at sea level up to altitudes of 1350 m. This species has been recorded as inhabiting native podocarp/hardwood forests. The adults of this species are on the wing from December until March although they have also been recorded in October and November. They are attracted to light and have also been trapped via sugar traps.

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