Fig. 1

Plant age and coleopteran beetle P. fastuosa infestation to Tasar (T. arjuna) farmland: A plants are < 4 year-old, B plants are 4–8 year-old, C plants are > 8 year old. D Adult emergence holes (marked with arrows) in an affected T. arjuna plant (inset: Vth instar grub of P. fastuosa). E Ribbon markings for affected plants in a study plot. F and G Partial to nearly complete demolition of T. arjuna plantation due to wilting (inset) caused by buprestid infestation