− | The Kowhai caterpillar is a bright-green and black caterpillar that strips the leaves of the kowhai. The treatment for such a problem is the use of an insecticide such as [[Orthene]] (NZ), [[Mavrik]] (NZ), [[Shield]] (NZ) or [[Super Shield]] (NZ). | + | The Kowhai caterpillar is a bright-green and black caterpillar that strips the leaves of the kowhai. The treatment for such a problem is the use of an insecticide such as [[Orthene]] (NZ), [[Mavrik]] (NZ), [[Shield]] (NZ) or [[Super Shield]] (NZ).<ref>Yate's 'Garden Problem Solver', HarperCollins, New Zealand, 2001</ref> |