Horse flies are attracted towards dark moving objects and carbon di-oxide, and this is how they locate a prey.
Best Overall: Starbar Fly Terminator Pro
The Starbar Fly Terminator Pro can catch up to 35,000 flies, horseflies, deer flies and gnats before it needs attending to. This is a serious fly trap that is designed to be used outdoors.
Funnel Fly Trap
Smells We Like, They Don’t
Look for other ingredients in sprays — or make your own with natural oils — that are believed to be offensive to horse flies. These include peppermint, eucalyptus, lavender, clove, rosemary, basil, tea tree, lemongrass, catnip and cedar.
The best way to minimize the risk of being bitten is to stay indoors, since these insects prefer to remain outdoors. Wearing heavy clothing and protective hats can make it more difficult (although not impossible) for a horse fly to bite.
Horseflies are most active in hot weather, mostly in summer and autumn during the daylight hours. Most species also prefer a wet environment, which makes it easier for them to breed. Eggs are generally laid on stones close to water or on plant stems or leaves.
You can make an effective homemade fly trap with these affordable materials that you probably already have around the house:
To make your own homemade fly killer spray take an empty spray bottle. And add 7 – 10 drops of dish soap; add 2 cups of warm water. Now close the lid of spray bottle, shake the solution and your homemade fly killer spray is ready. Spray it directly on the flies and watch them perishing instantly.
Vinegar and dish soap fly trap
Common house flies are attracted to decaying organic filth such as feces and rotting meat, whereas fruit flies seek sugary substances and feed more commonly on overripe fruit, spilled soda, and alcohol.