Destruction of timbers by marine borers has long been a problem for the coastal population of Thailand. The use of heavy durable timbers with frequent maintenance, or total replacement, is the only solution for fishermen with their fishing craft or marine installations, meanwhile wharves or other large scale constructions are usually made by using concrete pilings or concrete casings. In recognition of the economic importance of the problem, the Faculty of Forestry with co-operation of the Faculty of Fisheries, Kasetsart University, has set up a preliminary investigation on the marine borer hazards to some timber species, treated and untreated, in order to gather basic information on the performance of test samples and also on the types of attacking organism involved.

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