The "BSF larvae rearing management guide book " is a comprehensive resource for individuals interested in rearing and managing Black Soldier Fly (BSF) larvae. It covers various aspects of BSF larvae rearing, including an introduction to BSF larvae rearing, species overview, facility setup, waste management, larval protection, environmental and feed management, safety and quality considerations, and light and photoperiod considerations. The guidebook also explores sourcing BSF larvae, self-breeding, rearing techniques, health and disease management, harvesting techniques, larvae utilization, record keeping, troubleshooting, and provides a business proposal canvas for BSF rearing in Ethiopia. It offers practical tips, best practices, and addresses common challenges in BSF larvae rearing. The guidebook emphasizes the economic potential and scalability of BSF larvae rearing while highlighting the environmental benefits. It serves as a valuable reference for farmers, researchers, and entrepreneurs interested in sustainable and profitable farming practices, providing insights into the future perspectives of BSF larvae rearing