Constantia means big plots, old oaks, vineyards and horses, so pest control here is often as much about the garden and outbuildings as the house itself.
Fishmoths in Constantia homes
Fishmoths in Constantia like the old wooden cupboards and built-ins of older homes, and the boxes of books, papers and clothes stored in outbuildings, garages and staff cottages. The damp winters in the valley keep storerooms humid well into spring, which suits them. They eat paper, glue and fabric, leaving ragged holes and yellow marks.
We treat cupboard voids, cracks and storerooms with a dust or residual product and recommend sealed plastic crates for anything kept in outbuildings. Moisture absorbers in winter help the treatment last.
Worth knowing
A frequent mistake is spraying the cupboard and leaving everything else as it was. If the cardboard boxes and damp corners stay, the fishmoths will be back within a few months.
Many people think fishmoths only eat paper. They also go after the glue in wallpaper and book bindings, starch in fabrics, and even dried food crumbs and dead insects in cupboards.
How to tell you have a problem
Tick every sign you have noticed. It takes ten seconds.
How we handle fishmoth control in Constantia
Fishmoths often live in roof spaces, wall voids and behind cornices, so a fine insecticidal dust blown into the ceiling void is one of our most effective tools. Inside, we apply a targeted residual treatment into cracks, cupboard corners, skirting gaps and behind bookshelves rather than spraying open surfaces. Fishmoths are long-lived and lay eggs in hidden cracks, so treatments that keep working for a while are more useful than a quick knockdown. We pair the treatment with advice on damp, ventilation and storage, because changing the conditions is what stops them coming back.
Want the full step-by-step? See how our fishmoth control service works.
Stopping a repeat visit
- Seal cracks around skirting boards, cornices and built-in cupboards where they hide and lay eggs.
- Vacuum regularly inside cupboards, along skirting boards and behind furniture to remove eggs and food sources.
- Avoid stacking old newspapers, magazines and cardboard boxes in cupboards for long periods.
- Fix leaks under basins, around geysers and in the roof, since fishmoths need moisture.
- Improve ventilation in bathrooms and laundries with an extractor fan or by keeping a window open after showers.
Pricing, honestly
The price depends on the size of the property, how many rooms and cupboards are affected, and whether the roof space needs to be treated. Easy access to the ceiling void keeps the job simpler, while a home with lots of built-in cupboards and shelves takes more time. Offices, archives and storerooms with large amounts of paper are quoted separately, and every quote is free.
Moving books into sealed boxes and running a dehumidifier will help more than any spray from the shop. DIY sprays rarely reach the roof space or wall voids where the main population lives. If you are seeing them in several rooms or dropping from the ceiling, get the roof space treated professionally.
Fishmoth Control questions from Constantia
Do fishmoths bite?
No, they do not bite people or pets and do not carry disease. The problem is the damage they do to paper, books, photographs and fabrics.
Why are fishmoths falling from my ceiling?
That usually means there is a population in the roof space. Treating the ceiling void with a dust is the most effective way to deal with it.
Do fishmoths mean I have damp?
Often, yes. Common silverfish in particular need high humidity, so seeing them regularly in one room is a good reason to check for leaks or poor ventilation.
How do I protect books stored in my Constantia outbuilding?
Keep them in sealed plastic crates off the floor and have the room treated. Fishmoths love damp cardboard.
Are fishmoths and silverfish the same thing?
Yes. Fishmoth is the common South African name for silverfish, and it covers a few related species, including the grey silverfish common in Cape Town.
Can fishmoths damage clothes?
They can graze cotton, linen, silk and starched fabrics, particularly items stored for long periods in damp cupboards. They are less of a problem on synthetics.
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