The document discusses edible insects and their role in food security. It provides background on entomophagy (insect eating) and notes that approximately 2 billion people supplement their diets with insects. Many insect species are edible, including ants, grasshoppers, bees and wasps. The document then covers the history of edible insect consumption in various regions and cultures. It discusses the nutritional value of insects and common edible species consumed in places like Mexico, Thailand, Africa, Australia and more. The advantages and future prospects of insects as a sustainable food source are also summarized.