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Bugs in St. Augustine Grass

St. Augustine grass (Stenotaphrum secundatum) is a drought-tolerant, warm-season grass with a low water requirement. The medium green grass is well tolerant of shade and heat. A number of bugs are likely to infest St. Augustine grass lawns.

  1. Identification

    • The Texas A&M University Extension website lists chinch bugs and white grubs as serious St. Augustine grass pests. White grubs are the larval stage of May or June beetles. The C-shaped worms are white with brown heads. Brown colored chinch bugs are winged and 3/16 of an inch long.

    Damage

    • Chinch bugs feed on the base of grass blades and caused stunted growth and yellow areas on lawns. Gradually the lawn develops patches of dead grass. White grubs are root eaters and infest grass roots below the soil line. Severe infestation creates dead grass areas that can be lifted off the ground.

    Control

    • Use chinch bug resistant varieties of St. Augustine grass. Control bugs with timely application of insecticides including bifenthrin, cyfluthrin or permethrin. Apply insecticides as a soil drench to control white grubs. Recommended insecticides for white grubs include imidacloprid and halofenozide. For best control, apply early in the season.

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Growing Grapes
  1. Sapphire Vs. Palmetto St. Augustine Grass
  2. St. Augustine Grass & White Aphids
  3. How Thick Is St. Augustine Sod?
  4. Kinds of St. Augustine Grass
  5. Nutrition & Growth of St. Augustine Grass
  6. Bahia vs. St. Augustine Grass
  7. White Fungus on Grass
  8. White Bugs & Circular Patches of Dead Grass
  9. St. Augustine Grass Characteristics
  10. Centipede Vs. St Augustine Grass
  11. Fungi in St. Augustine Grass
  12. St. Augustine Grass and Grub Worms

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