This story was originally published in June 2021. Deer flies and horse flies can easily ruin an outdoor experience. They swarm, ricochet off your skin and buzz around your ears.
Their bites are nearly as painful as bee stings, and they’re absolutely relentless in their pursuit. But there are a few things you can do to fight back. Over the years, outdoor enthusiasts have experimented with different methods of repelling — or at least discouraging — these flies, of which there are more than 350 species living throughout the United States and Canada.
Here are a few things to try: The jury is still out on whether or not liquid insect repellent is effective against deer flies and horse flies. After all, these types of flies hunt primarily by sight, not scent. A fact sheet written by Lee Townsend , extension entomologist University of Kentucky College of Agriculture, states that manmade chemical repellents such as DEET “can provide several hours of protection” from deer flies and horse flies.
Some claim that mixtures of certain essential oils — including peppermint, citronella and lavender — will drive deer flies and horse flies away. Deer flies and horse flies are attracted to movement, according to Howard Russell, an entomologist at Michigan State University. Therefore, you may be able to escape notice if you just remain still.
It’s worth a shot. You can’t run faster than these pests can fly, Russell said. They’re among the fastest flying of all insects.
But if.
