Mango Stem Borer and it’s Management
Mango Stem Borer (Batocera rufomaculata), a species of beetle of the family Cerambycidae, was found to occur endophytically in the stem tissue of mango trees, is a major insect pest of mango all over the world. The reduction in yield due to this vicious insect is unpredictable. In some localities the farmers are destroying the total orchards due to the heavy infestation of this pest.
Symptoms of damage:
- Grub tunnels in the sapwood or the trunk or branches and make irregular
tunnels. It feed on the vascular tissues and interruption of nutrient and water
transport on the tissue to the crown from the root.
- Drying of terminal shoot in early stage.
- Frass/ excreta come out from several points and sometimes oozing of sap also
observed from the entrance the hole.
- Wilting of branches or entire tree.
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