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The recent decline and death of young cedar,  Cedrela odorata  L. (Sapindales: Meliaceae), plantations in Vietnam is caused by  Aclees  sp. (Coleoptera: Curculionidae), a wood-boring brown weevil. A field study was undertaken in three-year-old plantations in two districts in Thanh Hoa province in August 2008. Trees were heavily impacted by the weevil,  Aclees ; the infestation level (P) ranged from 80 to 100% and the average damage index (R) ranged from 1.8 to 2.8. Observations over one year enabled the life history to be determined. Eggs were laid (February to March, September to November) inside the bark from the base of the trunk up to 60 cm in height. Larvae formed extensive feeding tunnels in the inner bark and sap wood. Pupation occurred in feeding tunnels or pupal chambers in the sapwood. Adults emerged twice a year, February to March and August to October. It is concluded that  Aclees  is a threat to  C. odorata  plantations in tropical regions of the world, and quarantine measures should be implemented to reduce the risk of spread.

Threat to Cedar,Cedrela odorata, Plantations in Vietnam by the Weevil,Acleessp.