Deer/Horse Flies

Deer flies and horse flies are significant pests during summer months in Minnesota. Large numbers of flies can swarm around and bite people who are trying to enjoy outdoor activities.

  • Deer Flies
    These flies are a little larger than a house fly and are stout-bodied. They are colored yellow or black and have dark colored markings on their wings. University of Minnesota Extension Service Yard and Garden Line News; August 1, 2012. Attention: Non-MDH link

  • What’s Eating You? Minnesota’s Biting Flies: Horse Flies
    Horse flies are a little larger than deer flies, about ¾ to 1 ¼ inch in length, with brightly colored eyes. ; July – August 2001. Minnesota Department of Natural Resources. Attention: Non-MDH link







Updated Wednesday, May 21, 2014 at 11:32AM