Аннотация:Evolution begets diversity, and insects are the most diverse organisms in the history of life, so insects should provide profound insight into evolution. Insects are considered keystone species because loss of their critical ecological functions (e.g., pollinators; seed dispersers; predators; and parasitoids) could lead to collapse of the wider ecosystem. Indeed, insects dominate freshwater aquatic systems, but in general we know very few about the biology and natural history of these organisms. Here, we present a good set of basic data and knowledge in ecology, natural history, and behavior of this unknown fauna. Our hope is that it encourages young researchers to investigate basic aspects of the life history of aquatic insects, mainly in tropical systems.