Long-tailed silverfish

Ctenolepisma longicaudatum

Long-tailed silverfish can occur in drier rooms and damage materials such as paper. Increasing ventilation alone is therefore not a complete solution.

Identifying long-tailed silverfish

Long-tailed silverfish are wingless, greyer and hairier than silverfish, with long antennae and tail filaments. Look at several characteristics; a brief sighting in the dark is often insufficient.

Paper, boxes and dry rooms

Archives, bookcases and stored boxes provide food or hiding places. Check materials for feeding damage, but do not immediately attribute damage to long-tailed silverfish: other causes are possible.

Boxes and belongings can provide a route for spread. Check stored items and avoid unknowingly moving suspect materials into other rooms.

What can you improve yourself?

Reduce unnecessary cardboard, keep storage organised and inspect skirting boards and joints. Protect valuable documents in suitable sealed storage.

If activity occurs in several rooms, arrange a coordinated inspection. Reducing moisture alone does not work as it does for silverfish; species identification and an understanding of the spread are important.

Frequently asked questions

Ventilation can benefit the indoor environment, but long-tailed silverfish can also occur in drier rooms. It is not a complete solution.

No. Both belong to the bristletails, but their living conditions and the appropriate approach differ.

Sources and further information

General information, not a diagnosis for your location. Have the species identified if in doubt. Consult a healthcare professional about health symptoms and do not use pesticides without appropriate instructions.

Further reading

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