Eggs are scattered randomly by the female over pasture. This 'porina moth' rarely causes significant damage to pasture.
Leaf litter in grass, then grass.
Eggs scattered randomly over grass.
Feeds on leaf litter, then crops grass from a vertical tunnel in the soil.
Pupates in tunnel.
Variable wing pattern. Microscopic examination is required to distinguish between Wiseana species. October to April. Active from dusk onwards.
15 - 24mm
Southernmost North Island and South Island.