Leaf roller caterpillars roll up leaves and stick them together for shelter, they then feed on the inner surface of the leaves then eat through the leaves as they mature.
Leaf roller caterpillars curl up the leaves of host plants and stick them together with silk webbing to make a shelter where they can feed on the leaves in safety. The young caterpillars feed on the inner surfaces of the leaves, but once the caterpillar approaches maturity it will eat through the leaf. This damage can be serious for host plants.
Host plants include many fruits and ornamentals but they will also feed on a variety of common weeds and these can be a source of infestation.
To get rid of leaf roller caterpillars follow these steps:
There are three common pest species of leaf roller in New Zealand. The brown headed leafroller, the light brown apple moth and the green headed leaf roller. They are major horticultural pests.
Leafrollers refers to the caterpillars of several Lepidopteran species.