How to use moth traps in a UK home
Updated: 17 October 2026
You have unfolded a sticky board, yet it remains empty while fresh holes appear in a jumper. Learning how to use moth traps starts with separating their monitoring job from the larvae causing the damage. Identify the moth, date the board, place it low and near likely activity, then inspect and clean the affected material as a second task. Our [moth trap comparison](/hub/traps/moth-trap) shows the available packs. The steps below help you use a clothes-moth board without treating it as a complete cure. A qualifying purchase can earn a commission at no extra cost to you.
You have unfolded a sticky board, yet it remains empty while fresh holes appear in a jumper. Learning how to use moth traps starts with separating their monitoring job from the larvae causing the damage.
You have unfolded a sticky board, yet it remains empty while fresh holes appear in a jumper. Learning how to use moth traps starts with separating their monitoring job from the larvae causing the damage. Identify the moth, date the board, place it low and near likely activity, then inspect and clean the affected material as a second task. Our moth trap comparison shows the available packs. The steps below help you use a clothes-moth board without treating it as a complete cure. A qualifying purchase can earn a commission at no extra cost to you.
Our top picks
| Badge | Product | Placement | Claimed life | Format | Note | Price | Offer |
|---|---|---|---|---|---|---|---|
| Best overall |  Manchester Mothmen Manchester Mothmen clothes moth traps, 5 pack | Wardrobe or on carpet | Not printed | Three-sided fold-up | 9.2 | about £17.95 | View offer |
 Insectix Insectix clothes moth traps, 6 pack | Wardrobes, drawers, carpets | Up to 90 days | Fold-up, lure in the glue | 9.0 | about £13.56 | View offer | |
| Best value |  Theo's Home Care London Moth pheromone traps, 10 pack | Wardrobes, clothes, carpets | Not printed | Sticky glue trap | 8.8 | about £17.95 | View offer |
On this page
Understand what the trap can catch
A clothes-moth pheromone lure is normally designed to attract adult males of a named species. It does not draw larvae out of wool, catch the females laying eggs, or repair damaged fibres. A full board tells you that adult male activity is nearby. An empty one may mean poor placement, the wrong lure, a dusty surface, or simply that the active stage is hidden in textiles.
Identify the source before opening several boards. Clothes-moth larvae feed on animal fibres such as wool, hair, fur and feathers. Pantry moth activity is associated with dry foods such as cereal, nuts and bird seed. Those groups need different lures. If the source is unclear, use the clothes moth or pantry moth guide rather than guessing from a small brown adult alone. Inspect dark folds, seams, carpet edges and undisturbed areas under furniture. The damage may sit metres from the first adult you noticed.
Place it low, dark and close to activity
Start with the instructions for your particular product, because formats vary. Peel the release paper without touching the glue, fold the trap as directed and write the opening date on it. Place it in the same room or enclosed area as the suspected activity, away from draughts and away from clothing, children or pets that can touch the adhesive.
Clothes moths are poor fliers and favour dark, still areas, so lower placement is usually more informative than a high, exposed shelf. In a wardrobe, avoid burying the board behind a packed rail. Leave air around the lure and position it near the lower part of the affected space if the format permits. Beside carpet damage, place a suitable flat board near the floor, the skirting or the furniture rather than hanging it remotely with the coats.
Do not put cedar, lavender or another strong repellent beside the pheromone lure. They do not kill larvae, and the two scents pull the plan in opposite directions. One manufacturer suggests about one trap per 25 m², and another one per wardrobe. Neither figure applies to every pack, so follow the label in your hand. The moth trap buying guide explains why pack quantity alone is not a performance measure.
Check weekly and replace by the pack instructions
Look at the board after about a week. Record catches and check whether dust, fibres or insects have covered the adhesive. Weekly observation helps you separate a continuing pattern from one stray catch. Do not move the trap each time you inspect it, because a new location makes the results harder to compare.
There is no universal replacement interval. Insectix, PIC, Ratkil and MothOut listings state 90 days or three months. Other makers use six to twelve weeks for their own products. Sentomol, which is not one of the compared ASINs, advises replacement at three months or sooner when the board is dusty. Follow the printed life on your pack and replace it early when dust covers the glue.
An empty trap is a prompt to check activation, release paper and species. It is not proof of success. A crowded board still does not mean the larvae have gone.
Treat clothes and carpet as a separate job
Vacuum the affected wardrobe, the floor edges, the cracks and the areas beneath movable furniture, then empty the machine outdoors into a sealed waste bag. For carpet-specific detail, including inaccessible fitted areas, use our carpet moth trap guide. Cleaning removes debris and some life stages. Repeat the inspection, because eggs or larvae can remain in concealed places.
BPCA advises freezing suitable items at −18°C for two weeks. Do not treat a two- or three-day product-sheet claim as the general rule for wool. Bag the item first and let it warm in the closed bag. Do not hot-wash wool labelled 30°C because another sheet mentions 55°C, and do not treat dry cleaning as an insecticide.
Call a pest professional when fresh damage continues after roughly a fortnight of monitoring and cleaning, when fitted carpet or underlay cannot be lifted, or when the source is inaccessible, such as a loft nest.
Common questions
Where should I put a clothes moth trap?
Put it in the affected room or enclosed storage area, low and near likely activity, while following the product’s format-specific instructions. Choose a dark, still position with some air around the lure. Keep the sticky surface away from clothing, children, pets, draughts and strong repellents.
How many moth traps do I need?
Use the coverage stated for your exact pack. Guidance varies from one trap per wardrobe to about one per 25 m², so one maker’s figure should not be copied to another product. Closed wardrobes and separate rooms are distinct monitoring areas. Opening extra traps without need can waste lure life.
How often should I replace a pheromone moth trap?
Follow the printed interval for the exact product and replace it sooner if dust, fibres or a heavy catch cover the glue. Compared listings range around 90 days or three months, while other products specify six to twelve weeks. Date each board so you do not have to guess.
Why is my moth trap empty?
Possible reasons include the wrong species-specific lure, poor placement, an unopened or incorrectly assembled trap, contaminated glue, or larvae without active males nearby. Check the instructions and inspect the damaged material. An empty board does not by itself show that the infestation has ended.
Can I place lavender or cedar beside the trap?
Do not place strong repellents next to a pheromone attractant. Cedar and lavender do not kill larvae, and their odour may interfere with a clear monitoring setup. Keep the trap area consistent, then deal with the affected clothes or carpet directly rather than relying on scent.
How long should I freeze wool?
BPCA advises −18°C for two weeks for suitable items. Check that the garment can be frozen, seal it in a bag and let it warm while still bagged. Do not replace that guidance with a shorter maker claim, and do not wash wool above the temperature on its care label.
Related pages
Sources
Public UK sources for monitoring-trap wording, clothes-moth biology, and the naphthalene supply ban. Listings are the amazon.co.uk captures for these twelve ASINs, not a live reload on 17 October 2026. Prices on amazon.co.uk move.
- HSE, insect monitoring traps (retrieved 17 October 2026)
- HSE, biocidal advertising (retrieved 17 October 2026)
- HSE, is your product a biocide (retrieved 17 October 2026)
- BPCA, moth control (retrieved 17 October 2026)
- English Heritage, understanding clothes moths (retrieved 17 October 2026)
- English Heritage, clothes moth prevention and control (retrieved 17 October 2026)
- Southwark Trading Standards, mothball warning (retrieved 17 October 2026)
- GOV.UK, naphthalene general information (retrieved 17 October 2026)