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

4. Bark borer

4. Bark borer - Aeolesthes holosericea Fab. (Cerambycidae: Coleoptera)

Damage

• The grub feeds inner layers of bark and outer layer of sapwood.
• The larval tunnel is plugged with excreta.
Bionomics

• A female beetle lays about 92 eggs in the injured parts of the incubation period is 7-12 days.
• The grubs feed on the barks and sap the larval development is completed in 27-32 months.
• It pupates inside wood for 3-25 days.
• The pupal period lasts for 40-100 days.
• The total cycle is completed in 31-36 months.