Flax looper damage
Orthoclydon praefactata Walker
- Wingspan of moth 35–38 mm
- Native species
- Looper caterpillar feeds nocturnally on the undersurface of young flax (Phormuim tenax) leaves, leaving the top colourless layer, forming a ‘window’
- In older leaves the window often breaks leaving a hole.
- Caterpillars green at first, later opaque yellow with red stripes.