Box Tree Caterpillars

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Box Tree Caterpillars

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Box Tree Caterpillar Control | Pest Shield – Expert Treatment & Prevention

Box tree caterpillars are a highly destructive garden pest, especially in the North East of England. They can strip box hedges of their leaves in a short amount of time, potentially killing the plants. If the caterpillars are removed before they consume all the leaves, the hedge is likely to recover.


Signs of a box tree caterpillar infestation in the North East:

  • Small patches of chewed or nibbled leaves.
  • Dense webbing where caterpillars tend to hide.
  • The caterpillars are green-yellow, making them easy to spot

How PEST-SHIELD’s treatment works: We spray the affected hedges with a biological insecticide containing the bacterium Bacillus thuringiensis. Once the caterpillars consume the treated leaves, they stop feeding and die within a few days. This treatment is highly targeted, only affecting the caterpillars that eat the treated leaves, leaving other insects unharmed. Birds that eat the dead caterpillars are not affected either.

We recommend applying this treatment as soon as caterpillars are spotted to prevent a severe infestation that can kill the plants. The ideal time for treatment is on a dry day during a spell of dry weather, as the insecticide is biodegradable.

While this treatment may not completely eliminate an infestation, it will significantly reduce the caterpillar population. In some cases, multiple treatments may be necessary.


Facts about the box tree caterpillar:

  • The box tree caterpillar originates from China.
  • It has been affecting gardens in the UK since 2008.

Trust PEST-SHIELD to help protect your North East garden from the damage caused by box tree caterpillars.


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