Insect Pests of Fruit, Plantation, Medicinal & Aromatic Crops (2+1)

2. Grape vine beetle

2. Grape vine beetle - Sinoxylon anale Lesne. (Bostrychidae: Coleoptera)

Damage

• The grubs and adults cause damage to the grape vine.
• The adult beetle makes circular hole and extending to the center of the stem.
• It constructs longitudinal galleries and forms a number of exist.
• The attacked plant gradually dry and dies away.
Bionomics

• The adult beetle is sturdy, walks slowly and flies rarely.
• The female lays eggs in the tunnels.
• The grub is thickly slightly curved and yellowish white in colour.
• The chewed out materials are thrown out of the holes.
Management

• Remove loose bark, prune and destroy the infested parts to prevent the infestation by the beetle.
• Spray carbaryl 50 WP at 2 kg / ha to the dormant woody portion of the vines.