Starbar Golden Malrin Fly Bait 40 Lbs Excellent control of nuisance flies for commercial and other rural applications as well as dumpsters, meat and poultry plants and more Active Ingredient: Methomyl 1.100% (Z)-9- Tricosene 0.049% Top selling flybait in the United States Broadcast application or use in FBS fly bait stations Use in: Livestock feeding areas, barns, dumpsters, bottling plants, food processing plants, stables, kennels, zoos, restaurants bakeries supermarkets warehouses, feed lots, vet clinics, amusement parks, campgrounds and anywhere flies are a nuisance.