| Sumario: | The limited knowledge of the distribution in time and space of pests and crop diseases, as well as oftheir natural enemies, has lead to the inappropriate use of pesticides that has damaged the environment and humanhealth. Key aspects of the planning and organisation of pest sampling are analysed, with the aim to provide the basesand the eco-entomological information relevant for an adequate use of pesticides, and to contribute to the generationof sustainable agriculture models. For sampling and pest monitoring programmes to be feasible, it is necessary to definetwo basic stages of the planning: (1) the operational geographic framework, and (2) the performing mechanism oroperational instruments. Through this, the tasks and responsibilities of personnel are clearly defined, including involvingdifferent institutions and specialists of the region. Accordingly, proposals are made for an adequate planning andorganisation of sampling for agricultural pests, resulting in an efficient pest control that is safe for the ecosystem. Itis concluded that in order to gain a better coordination among researchers, agencies and institutions involved in thedetection and control of pests, it is necessary: (1) to create inter-institutional, regional and international committeesto monitor pests and analyse the factors related to the health status of agroecosystems, and (2) to design and developspecific projects for the short and long term solution of phyto-sanitary problems.
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