Black Flies

Black flies, also called biting gnats, are common pests during the warmer months of the year. Immature black flies develop in stream and river habitats.

  • Black Flies
    About 30 species of black flies occur in Minnesota. Black flies, also referred to as gnats or buffalo gnats, can be a serious problem because of their ability to bite. University of Minnesota Extension Service. Attention: Non-MDH link









Updated Wednesday, 17-Nov-2010 16:01:57 CST