Abstract of a Presentation conducted by
Department of Forestry and Environmental Science
University of Sri Jayewardenepura, Sri Lanka
Commercial forestry aims to get maximum production of timber or other forest products as a business enterprise. However pest outbreaks cause devastating losses in commercial forestry sector. Therefore the pest outbreaks in commercial forest plantations should be controlled in effective manner.
In nature, most insect species are in a balance. However with catastrophic influences this natural balance can change favoring the insect species. This type of insect pests are called as indigenous insect pests. The introduction of new pests can also be catastrophic to natural environments, particularly where similar species do not occur naturally. Those type of insect pests are called exotic insect pests.
Teak skeletonizer, teak defoliator, teak stem borer and Hypsipyla shoot borers in Meliaceae are several insect pests which are causing damages to the Sri Lankan forest plantations.