Black Soldier Fly Larvae (BSFL) are the nutrient-rich larval stage of the Black Soldier Fly, Hermetia illucens. Unlike nuisance flies, BSFL are clean, efficient decomposers that naturally consume organic material and transform it into valuable biomass. They are naturally rich in protein, fats, minerals, calcium, phosphorus and other nutrients, making them an excellent supplemental food source for poultry, reptiles, fish, wild birds and other animals. Their natural feeding behavior also makes live BSFL an excellent enrichment food, allowing animals to forage while receiving valuable nutrition.
BSFL are valuable far beyond animal feed. These remarkable insects are part of a natural resource-recovery system: they consume suitable organic materials, rapidly grow, and convert those resources into usable insect biomass while producing frass as a secondary product. Compared with traditional animal protein production, insect production can require significantly less space and resources, making BSFL an exciting component of more sustainable agriculture and feed production.
At GrubForge, we see BSFL as more than just a feeder insect—they are nature's little recyclers and nutrient factories. We raise them to transform organic resources into high-quality, useful products for animals, farmers, gardeners and growers. From a handful of larvae feeding backyard chickens to large-scale production for animal nutrition, BSFL offer a practical connection between sustainable resource recovery, nutritious animal feed and a more circular agricultural system.