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Healthy Home Economist / Archives / Recipes / Other Recipes / DIY / Homemade Deer Fly Trap

Homemade Deer Fly Trap

by Sarah Pope / Affiliate Links ✔

Table of Contents[Hide][Show]
  • What are Deer Flies?+−
    • Painful, Itchy Bites
    • Allergic Reactions
    • Disease Risk
  • How to Make a Deer Fly Trap
  • How to Use

How to make a homemade deer fly trap with a few simple and inexpensive materials for easy, nontoxic prevention of their painful, bloodsucking bites.

homemade deer fly trap on a pole with natural background

Building a deer fly trap is often a necessity during warm weather. Quite a bit different from a DIY house fly trap or homemade fly repellent, successfully clearing an area from deer flies involves nothing more than a sticky coating on an object of attractive color.

What are Deer Flies?

Deer flies are insects in the horse fly family Tabanidae.

There are roughly 4300 species in the world. Three hundred of these are in North America with at least two commonly recognized by people: horse flies and deer flies (sometimes called “yellow” or “pine” flies).

These insects suck blood and are primary nuisance pests of people, livestock, and wildlife.

Painful, Itchy Bites

As bloodsuckers, the deer fly bite can be very painful, often leaving large, itchy welts that last for a week or even longer.

When I get bitten, I use this garlic gel ointment for fast relief.

Other natural bug bite remedies for deer flies include tea tree oil and raw ACV applied with a cotton pad.

If you like to make things yourself, this homemade herbal salve recipe works very well too.

Allergic Reactions

Some people develop allergic reactions to deer fly bites.

They can then often swell and be prone to infection. A trip to the doctor may then be necessary.

Disease Risk

Different deer fly species occur at different times during the year and often are found in high populations in inhabited areas.

When this is a backyard or favorite fishing spot, deer flies can become a real health issue for people and pets.

This is because deer flies, like any bloodsucking insect, can spread diseases like Lyme although the research is mixed on how high the risk actually is. (1)

How to Make a Deer Fly Trap

If the painful bites that may cause illness have you wanting to keep these critters from your outdoor spaces, you will be happy to know that making a deer fly trap yourself is quite easy and very inexpensive.

In four easy steps, you can build a simple but very effective trap for deer flies in less than 5 minutes!

  • Poke a hole in the top of a large BLUE plastic drinking cup. Blue attracts them the best according to University of Florida researchers. Note that red and black also work to a lesser extent. (2)
  • Cut a small 1″ hole in the top of the cup.
  • Push a stick or pole of some kind that is about 4′ long through the cup hole.
  • Paint this sticky coating all over the outside of the cup. If you get some of it on your hands, a nontoxic orange oil all-purpose cleaner that contains D-limonene (a component in citrus peel) will easily remove it.

You are ready to go!

How to Use

Deer flies are attracted to slow movement and are “ambush” predators.

They also seem to be attracted to the sound of flowing water. For example, I tend to have the most problems when I am watering my garden!

Hence, the most effective way to clear your property of these nuisance insects is to walk slowly around your yard holding the trap near foliage where they hide.

You can also attach the trap to a lawn mower, tractor or car. Drive slowly around your property to cover larger areas.

Dawn or dusk are the best times of the day. However, any time during the morning or late afternoon also works at least in my neck of the woods here in Central Florida.

The pole should be roughly 5-6 feet off the ground … about the same height as your head.

Watch the trap work like magic as you “troll for deer flies”.

Note that this trap also works if you simply leave a few poles strategically placed around your property. While not quite as effective, the trap still works while stationary to catch many flies!

I’m currently keeping a pole about 30 feet from a porch area and it’s working wonderfully to keep deer flies from attacking me while sitting outside. I replace the cup whenever it is mostly covered with flies. In my area, that is about once a week.

blue sticky cup deer trap on white pole tree background

Reference

(1) The “Trolling” Deer Fly Trap (University of Florida Research and Education Center)

(2) Can Lyme disease be transmitted to humans by mosquitoes, horse flies, and deer flies?

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Category: DIY, Gardening, Pest Control
Sarah Pope

Sarah Pope MGA has been a Health and Nutrition Educator since 2002. She is a summa cum laude graduate in Economics from Furman University and holds a Master’s degree from the University of Pennsylvania.

She is the author of three books: Amazon #1 bestseller Get Your Fats Straight, Traditional Remedies for Modern Families, and Living Green in an Artificial World.

Her four eBooks Good Diet…Bad Diet, Real Food Fermentation, Ketonomics, and Ancestrally Inspired Dairy-Free Recipes are available for complimentary download via Healthy Home Plus.

Her mission is dedicated to helping families effectively incorporate the principles of ancestral diets within the modern household. She is a sought after lecturer around the world for conferences, summits, and podcasts.

Sarah was awarded Activist of the Year in 2010 at the International Wise Traditions Conference, subsequently serving on the Board of Directors of the nutrition nonprofit the Weston A. Price Foundation for seven years.

Her work has been covered by numerous independent and major media including USA Today, ABC, and NBC among many others.

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Comments (2)

  1. Vivian Maddox

    May 31, 2022 at 10:03 pm

    I’ve seen another similar way to deal with aphids, except, instead of using a blue cup, you use a yellow cup. Both of these methods of dealing with the deer flies and the aphids look very good to me. However, there were several people in the gardening group who objected to this idea because the bees, which we all want to protect, will also be caught on these traps.

    Do you think these traps actually pose a threat to our bees? Or, is this one of those situations where the benefits ratio justifies the occasional loss of a bee or two?

    Reply
    • Sarah Pope

      Jun 1, 2022 at 2:15 pm

      There is no risk to bees or butterflies from this trap. They don’t seem to be attracted to it or interested. I’ve never caught one bee or butterfly ever.

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