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This paper higlights aspects of plant health information studies in the Caribbean in an attempt to show how these studies could allow for improved crop protection and, hence, improved production. An attemp will also be mado to highlight, using suitable examples, how the lack of important information hinders better decision-making in plant health. Continuously, it refers to plant quarantine; economic impact studies; pest risk studies; and, mango seed weevil -a case study in lack of information. Finally, the conclusions explains that in the Caribbean, studies in plant health have been undertaken since the 19th century. Emphasis has focused generally on biological and ecological studies of pest organisms and methods for their control. Another area of study which appears to have been neglected is that of pest risk analysis that becomes extremely important especially where there is a grave risk of pest introductions. (MIBA)