Insect pests in houses

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Insect pests are a common sight in houses in the UK. Many of these can be ignored without consequence however there are several insect species which are known to attack timber.

This Wood Information Sheet is a guide to the most common insects seen in UK houses, including how to recognise the 16 most common types of insect pests, whether they pose a threat to either the structural or superficial elements of a timber structure, and finally details on how to treat against them.


  • General guidance on dealing with insect pests
  • Plaster beetles
  • Silverfish
  • Wood lice
  • Earwigs
  • Biscuit, bread or drug store beetle
  • Flour beetles
  • Larder or bacon beetles
  • Sawflies
  • Carpet and fur beetles
  • Wood wasps
  • Forest longhorn beetles
  • Ambrosia or pinworm beetles
  • Bark beetles
  • Lyctus or powder post beetles
  • Common furniture beetle
  • House longhorn beetle

This Wood Information Sheet was reviewed in April 2021 and minor corrections were made to the references section.

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