Scratch and Peck Feeds Cluckin’ Good GrubsScratch and Peck Feeds Cluckin Good Grubs are dried black soldier fly larvae, an environmentally friendly feed supplement, or treat to be used in conjunction with our premium animal feeds. Good for All Stages, Cluckin Good Grubs are grown in the Pacific Northwest, raised on traceable pre consumer waste fruits, vegetables, and grains that might otherwise go to a landfill. Scratch and Peck Feeds Cluckin Good Grubs (Black Soldier Fly Hermetia illucens)