How To Get Rid Of Army Worms

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How to Get Rid of Army Worms in 2021 Lawn care, Gardening trends

How to Get Rid of Army Worms

What are Army Worms?

Army worms are destructive pests that can cause significant damage to crops, especially grasses and grains. They are the larvae of certain moth species and are named after their behavior of moving in large numbers, resembling an army. Army worms feed on the leaves and stems of plants, often leaving nothing but bare stalks behind.

Identifying Army Worm Infestation

Identifying an army worm infestation is crucial for effective control. Look out for the following signs:

  • Visible caterpillars on plants
  • Damage to leaves and stems
  • Presence of chewed plant material and droppings
  • Sudden wilting or yellowing of plants
  • Noticing moths flying around plants during the evening

Preventing Army Worms

Prevention is always better than cure when it comes to dealing with army worms. Here are some preventive measures:

  • Maintain proper plant health through regular watering, fertilization, and weed control.
  • Encourage natural enemies of army worms, such as birds and beneficial insects, by providing suitable habitats and food sources.
  • Use barriers like row covers or netting to protect vulnerable plants.
  • Rotate crops to disrupt the life cycle of army worms.

Controlling Army Worms Naturally

If you already have an army worm infestation, here are some natural methods to control them:

  • Handpicking: Remove visible caterpillars and eggs manually and dispose of them.
  • Biological control: Introduce natural enemies like parasitic wasps and nematodes that prey on army worms.
  • Beneficial plants: Planting certain flowers and herbs like marigolds, dill, and fennel can repel army worms.
  • Organic insecticides: Use organic insecticides like neem oil or Bacillus thuringiensis (Bt) to kill army worms.
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Chemical Control

If natural methods fail to control the army worm population, you may consider using chemical insecticides. It is important to follow the instructions provided by the manufacturer and apply the insecticide during the recommended time of day. Take precautions to protect beneficial insects and pollinators.

Post-Treatment Care

After controlling the army worm infestation, it is crucial to take care of the affected plants and promote their recovery. Provide appropriate nutrients, water, and sunlight to help the plants regain their strength and vigor.

Monitoring and Early Detection

Regular monitoring of your plants is essential to detect any signs of army worm infestation at an early stage. Prompt action can prevent the infestation from spreading and causing extensive damage.


Dealing with army worms requires a combination of preventive measures, natural control methods, and, if necessary, chemical control. By being proactive and taking appropriate action, you can effectively get rid of army worms and protect your crops from their destructive feeding habits.