Large hepialid borer (Sahyadrassus malabaricus)

Symptoms

• This is a polyphagous pest attacking teak,eucalyptus and lantana.
• Thick branches(3 cm diameter) are preferred by the pest.
• Callus tissue and wood form food for larvae.
• Entrance holes are covered with frassy mat formed with chewed wood and silk.

Management

• Cut the affected stem and pour quinalphos using ink filler.
• The holes are plugged with clay paste.