Plant parts affected

Cane

Initial diagnosis:

Dying back of the inner whorl, also known as dead heart, mainly in younger plants, broken stalks, plants with reduced development and lower number of stalks.

Symptoms:

The caterpillars form tunnels inside the stem, causing failure to grow and loss of weight. When these tunnels are big and circular, they can cause the crop to break.

Damage type:

Big and circular tunnels made by Borer.