b'FARM&BARNnutrients and organic materials more available for plant use. LarvicidesChemical larvicide feed-through fly control products also control flies at their source: manure. These products typically come in alfalfa-based pellet form and can be fed to horses top-dressed on their grain or supplements. For best results, feed these products at the beginning of your fly season, and continue through the fall freeze to reduce fly activity.Feed-through larvicides seem like a viable control, says Stokes. The twoHang water-and-attractant-filled traps where theyll draw flies away from your barn and horses.main active ingredients, diflubenzuron and cyromazine, are IGRs, insect growthchemical to end up in your bin, because20 to 30 do an excellent job of catching regulators, which inhibit and disruptIGRs can potentially disrupt other non- flies and reducing numbers immediately, molting while the flies are in the larvaltargeted beneficial insects in compost.he says. growth stage.Some flies are attracted to light, but, Researchers have shown these prod- Fly Tapeconversely, there are probably species ucts are safe for horses and other mam- For controlling adult flies, good old flythat are attracted to darker areas, Cas-mals (including humans) because moltingtape is probably one of the best options,trovillo explains. is a process only insects do. However, ifsays Castrovillo. Consider hanging severalTherefore, try placing tape in differ-you compost you might not want thisstrips up high in your barnas many asent areas, such as above doorways or in aisleways, in the feed room, and/or up high over the stalls, to see what works best for your situation. Remove old ones and rehang new ones frequently during peak seasons. Choose locations carefully ALAYNE BLICKLE PHOTOSSticky fly traps are often brightly colored and scented to attract flies.38May 2020The Horse|TheHorse.com'