Identification Symptoms
- In nursery, the grubs feed the tender roots and
     tunnel into the hole of the collar region resulting in drying and yellowing
- In older plantations, infestations results in
     yellowing of leaves, premature nut shedding, delayed flowering,
     retardation in growth and yield decline.
- White grubs are seen when damaged roots of tree are
     dug
- 
Tuber crops grown as
intercrop are also affected.