Stem borer: Plocaederus ferrugineus
Symptoms of damage
| Symptoms of damage Presence of small holes at the collar region Gummosis Extrusion of frass through the bore holes at the collar region Yellowing and shedding of leaves Drying up of twigs and gradual death of the tree. Identification of pest Adult - medium sized reddish brown beetle. Head and thorax - dark brown or almost black. Management Collect and destroy the damaged plants Field sanitation Swab Coal tar + Kerosene @ 1:2 on the basal portion of the trunk ( 3 feet height) After scraping the loose bark to prevent oviposition by adult beetles. If infestations are severe then apply the copper oxychloride paste on the trunk of the tree. |
- Presence of small holes at the collar region
- Gummosis
- Extrusion of frass through the bore holes at the collar region
- Yellowing and shedding of leaves
- Drying up of twigs and gradual death of the tree.
Identification of pest
- Adult - medium sized reddish brown beetle.
- Head and thorax - dark brown or almost black.
Management
- Collect and destroy the damaged plants
- Field sanitation
- Swab Coal tar + Kerosene @ 1:2 on the basal portion of the trunk ( 3 feet height)
- After scraping the loose bark to prevent oviposition by adult beetles.
- If infestations are severe then apply the copper oxychloride paste on the trunk of the tree.