Pest management strategies dealing with agricultural, veterinary and medical issues use various methods to better understand the dynamics of insect populations from the habitat to the landscape and region. Remote sensing, GIS, sampling, and biogeochemical and molecular markers, together with spatially-explicit models are unique tools to decipher biological and ecological processes that govern the spatio-temporal distribution of insects. Knowledge of these multi-scale and multi-factors processes is useful to evaluate the impact of different scenarios on the dynamics of insect populations, and to propose tools for risk assessment, detection and monitoring, and sustainable management, as part of an overall strategy known as area-wide integrated pest management (AWIPM).