It is an occasional but very serious pest of mango found all over the country. Amlet and Mulgoas are highly susceptible varieties. Also attacks fig, rubber, jack, eucalyptus etc. These beetles emerge in July-August. Incidence was more when Moderate temperature and moderate humidity prevailing during September-October. Life Cycle: Eggs are laid singly on bark and incubation period is 7-13 days. Larval period and pupal period is ranged from 140-160 days. Pupation inside the tunnel, it takes about 20-25 days. The adult emerges in about 120 -270 days. There is only one generation of the pest in a year.