Annelida taxon



Earthworms are invertebrates from the taxonomic group Annelida. Earthworms live within the soil beneath the turf surface feeding on organic matter. Earthworms range in size from 5 to 25 cm and their numbers vary in soils from 30 to 300 per m2. The tunnelling and worm castings due to work activity are important in maintaining soil structure (Pattison, 2006).



Earthworms do not damage the turfgrass foliage or roots, but the surface itself from earthworm castings. The castings provide an unaesthetic and more importantly disturbed turf surface. Such disturbance is problematic for lawn sports such as golf and bowls in particular. Castings are more prolific in cooler, wet conditions and where the soil has a higher silt and clay content.


Control options:

  • Pesticides: See available tabs below for registered products. Use as per label instructions.
  • Integrated Pest Management (IPM): Use a combination of approaches listed on this page.
  • Cultural
    • Reduce soil moisture content and irrigation.
    • Lower soil pH as earthworms are sensitive to acidic soil conditions.
  • Mechanical: Undertake routine aeration practices..



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Control Options

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