Knowledge of the diversity and distribution of Anopheles populations in areas of power plants allow the determination of malaria transmission risk and provide recomendations about prevention, surveillance and control. Diversity and abundance of malaria vectors in the confluence area of Sogamoso river dam was determined at the beginning of the implementation of the hydroelectric project. For mosquito catching, CDC and Shannon traps were used in forests, outside houses and inside houses, also human landing was used. To
