Nysius huttoni (also known as wheat bug) is found throughout NZ...

Nysius huttoni (also known as wheat bug) is found throughout NZ, particularly in the drier Central and North Otago and East Coast regions. It causes damage to emerging brassica crops by feeding on the young stems.

White butterfly (WB) is found throughout NZ. The caterpillar...

White butterfly (WB) is found throughout NZ. The caterpillar causes damage by feeding on the leaves of brassica crops.