Pest & invasive species control

The list of invasive species and diseases affecting our plants and trees constantly evolves, and Practicality Brown regularly offer guidance to clients on how to manage this ever- changing situation.

We understand the devastating effect large invasive outbreaks can have on our complex ecosystems and are qualified to assess and control species affecting the UK today.

Some of the high profile pest and disease issues currently affecting UK ecosystems:

  • 8 toothed spruce bark beetle (Ips typographus) – a destructive pest of one of spruce trees. The beetle prefers dead or weakened trees but can attack healthy trees.  If left uncontrolled it could devastate the spruce forestry and timber industries 

  • Chalara – Ash dieback – a fungus (Hymenoscyphus fraxineus) borne disease which originated in Asia.  It causes leaf loss, crown die back, bark lesions and is typically fatal. 

  • Oak Processionary Moth – OPM (Thaumetopoea processionea) – a species of moth with caterpillars that infest oak trees.  The caterpillars and nests are covered in tiny small toxic hairs that can cause a health risk to humans.  Large infestations can cause defoliation weakening trees making them susceptible to other pests and diseases.

  • Japanese knotweed, Himalayan balsam, Giant Hogweed – invasive species that adversely affect habitats and biodiversity.  These plants can spread rapidly and if not controlled or treated can be extremely expensive to remove.

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