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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Turf > Holes in lawn

Turf > Holes in lawn

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  • Image: cornfield ant 1
    Credit: Jeff Hahn
  • Image: cornfield ant 2

    Credit: Jeff Hahn

  • - CLICK PHOTOS TO ENLARGE -

green arrowCornfield Ant

  • Small, about 1/8 inch wide, hole generally surrounded by a conical mound of dirt
  • Found in areas where grass in thinning or bare
  • Found anytime during spring or summer
  • Ant 1/10 inch long and brown
  • More information on Cornfield Ant...
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  • Image: field ant 1
    Credit: Jeff Hahn
  • Image: field ant 2

    Credit: Jeff Hahn

  • - CLICK PHOTOS TO ENLARGE -

green arrowField Ant

  • Large mounds with numeroud 1/8 to 1/4 inch wide holes
  • Found in healthy lawns as well as thinning turf
  • Found anytime during spring or summer
  • Ant 1/8 to 1/4 inch long and black or black and red
  • More information on Field Ant...
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  • Image: yellow jacket 1
    Credit: Jeff Hahn
  • Image: yellow jacket 2

    Credit: Jeff Hahn

  • - CLICK PHOTOS TO ENLARGE -

green arrowYellowjackets

  • Moderate sized holes, about 2 inches wide
  • Lack of dirt surrounding holes
  • Yellowjackets generally not noticed until mid to late summer
  • Yellowjackets are slender, 3/8 inch long, black and yellow wasps
  • More information on Yellowjackets...
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  • Image: cicada killer 1
    Credit: Chuck Holliday
  • Image: cicada killer 2

    Credit: Jeff Hahn

  • Image: cicada killer 3

    Credit: Jeff Hahn

  • - CLICK PHOTOS TO ENLARGE -

green arrowCicada Killers

  • Moderated sized holes, about 2 inches wide, found in well-drained sunny sites
  • Typically with large mound of dirt on one side of hole
  • Cicada killers active mid to late summer
  • Cicada killers large, 1 to 1 1/2 inches long, black and yellow solitary wasps
  • More information on Cicada Killers...
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  • Image: racoon 1
    Credit: Kevin D. Arvin, Bugwood.org
  • - CLICK PHOTO TO ENLARGE -

green arrowRaccoons, Skunks or Gray Squirrels

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