• Larvae mine into leaves or bore into tender shoots and developing tubers.
• Rotting and foul smelling of damaged tubers

Identification of the pest

• Egg- laid singly on under surface of leaves and exposed tubers
• Larvae - Pale greenish
• Pupa - silken cocoon among trash or ground or bags...
• Adult - small dark brown moth with fringed wings; forewings grey brown with dark spots and hind wings dirty white.