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A pheromone trap catches adult male moths on a sticky board. That tells you what you have and how bad it is. It is not, on its own, how the problem ends — and the trap you need depends on which moth you have.
Start with your situation
- You still have old-style mothballs in a cupboard. Naphthalene mothballs are banned from sale here — GOV.UK product safety. Do not use them up.
- You want the moths gone, not counted. A pheromone trap catches males only and one of the listings here says monitoring use only. Read what a trap will not do first.
- Holes in wool or silk, moths in the wardrobe. Clothes moth pheromone — the three-pack refillable trap.
- Moths in flour, rice or cereal. A different pheromone entirely — the food moth traps.
- You want the longest stated lure life. One listing here states up to 12 weeks — the six-holder set.
- You already own trap holders. Refill pads rather than whole traps — the 20-pad refills.
- Nothing is flying yet and you are storing knitwear. Cedar, not a trap — the cedarwood balls.
Which Moth Have You Got?
Clothes moths and food moths take different pheromones, so the wrong trap catches nothing. The National Trust describes the clothes moth damage pattern: “The larvae feed on wool and other keratinous materials, creating ragged patches or holes.” (National Trust). Food moths are a kitchen problem instead — flour, rice, cereal, dried goods — and never touch a jumper.
Where you live matters more than most people expect. English Heritage’s public trapping survey found “flats or apartments were more susceptible to clothes moths” and that “Clothes moths numbers were higher in older, pre-1950 properties as they have more voids, fireplaces and attics than modern houses.” (English Heritage). An old flat with open fireplaces is the high-risk case.
Why Old-Style Mothballs Are Gone
If you have inherited a box of traditional mothballs, do not use them. Naphthalene mothballs are banned from consumer sale in the UK, and GOV.UK product safety reports withdraw them where they turn up: “The product does not meet the requirements of the Registration, Evaluation, Authorisation & restriction of Chemicals (REACH) Enforcement Regulations 2008.” (GOV.UK).
That is why the repellent on this page is cedarwood. Its own listing offers it as an alternative to traditional, old-fashioned moth balls.
What a Pheromone Trap Will Not Do
A pheromone lure imitates the female’s scent, so it draws males. Larvae are what eat your clothes, and a trap does not touch them. The Pest Expert listing is straightforward about the mechanism — it catches the male moth to halt reproduction — and the Biocare refill listing goes further, stating “MONITORING USE ONLY” on its own feature text.
So a trap tells you whether you have a problem, roughly how big it is, and whether it is getting better. Clearing it takes cleaning and laundering as well. Any figure for how many moths per week means an infestation is one we do not have a source for, so this page does not give one.
What Decides the Choice
1. Which moth
Covered above, and it rules out most of this page immediately. Clothes moth traps and food moth traps are not interchangeable.
2. What the listing actually states about lure life
Only one of the six listings here states how long its pheromone lasts — the Pest Expert set, at up to 12 weeks. The others do not state a figure, and the comparison table at the bottom says so rather than filling the gap. If lure life matters to you, that is the one listing that commits to a number.
3. Trap or refill
If you already own holders, refill pads fit them; if you do not, refills are useless on their own. The Biocare pads are listed at approximately 13.4 x 5.8 cm, which is the number that decides whether they fit what you have.
Best Clothes Moth Trap — MothPrevention Clothes Moth Traps
Trap
MothPrevention Clothes Moth Traps (3-Pack)
Best Clothes Moth Trap
- Listed as a refillable clothes moth trap
- Sold as a 3-pack
- Listing describes it as odour-free and natural
- For wardrobes and stored clothing
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For a wardrobe or a chest of drawers where you have seen holes. It is sold as a three-pack and the listing describes it as refillable, so the holders stay and the pads are replaced. The listing does not state a lure life, so this page does not give one for it.
Best Pantry Moth Trap — Demi Diamond Food Moth Pheromone Traps
Trap
Demi Diamond Food Moth Pheromone Traps
Best Pantry Moth
- Listed as food moth pheromone traps
- 3 traps and 20 pads per pack
- Target species listed as moth
- The listing carries no feature text beyond its title
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For the kitchen rather than the wardrobe. Three traps and twenty pads per pack. This listing carries no feature text beyond its title, so the card above is everything it states — including no lure life and no named moth species.
Best Value — Zero In Clothes Moth Trap
Trap
Zero In Clothes Moth Trap (Twinpack)
Best Value
- Two traps per pack
- Hangs on a built-in hook or stands free
- Listed as poison-free, using pheromones without poisons or chemicals
- Listing states it is for monitoring infestations
- Disposable once the trap is full
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Two traps, and the only listing here that says outright what it is for: monitoring infestations. It folds to hang on a rail or stands in a drawer, and it is listed as poison-free, which is the relevant point if it is going where children or pets can reach.
Best Professional — Pest Expert Demi-Diamond Traps
Trap
Pest Expert Demi-Diamond Clothes Moth Pheromone Traps
Best Professional-Grade
- 6 holders and 6 pheromone pads
- Pheromone listed as effective for up to 12 weeks
- Listing describes it as a professional monitoring tool
- Catches the male moth, halting reproduction
- Odourless and pesticide-free
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Six holders and six pads, and the only listing here that commits to a lure life: up to 12 weeks. Its own text calls it a professional monitoring tool and describes the mechanism plainly — it catches the male, so no new eggs. If you want to cover several rooms and check them over a season, this is the set that states enough to plan around.
Best Refills — Biocare Moth Trap Refill Pads
Trap
Biocare Clothes & Carpet Moth Trap Refills (20 Pads)
Best Refills
- 20 pheromone refill pads
- Listing states MONITORING USE ONLY
- Each pad listed at approximately 13.4 x 5.8 cm
- For compatible holders and monitoring traps
- Odourless and pesticide-free
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Twenty pads for holders you already own. Check the size before you buy: the pads are listed at approximately 13.4 x 5.8 cm and fit compatible holders, which is not the same as fitting whatever you have. The listing is explicit that these are for monitoring.
Best Repellent — Zero In Cedarwood Moth Balls
Product
Zero In Cedarwood Moth Repellent Balls (20-Pack)
Best Repellent
- 20 cedarwood balls per pack
- Made from 100% natural Eastern aromatic red cedar
- Listed as poison and chemical-free
- Listed as lasting up to 12 months
- Refreshed by rubbing with fine sandpaper
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Not a trap at all — a repellent for storage. Twenty balls of Eastern aromatic red cedar, listed as poison and chemical-free and as lasting up to 12 months, refreshed by rubbing with fine sandpaper. This is the modern stand-in for the banned mothballs above, and it belongs in a box of stored knitwear rather than in a room with a live infestation.
If a Trap Is Not the Answer
Clean before you store. The National Trust’s advice is that “moths rarely eat clean silk or wool” (National Trust), so washing or dry-cleaning before packing away does more than any trap.
Freeze what is already damaged. For a jumper with a hole in it, the same guidance is to “pop it in a plastic bag and leave it in the freezer for about 14 days”, which kills eggs that survive a modern low-temperature wash.
Old mothballs are not an option. See above — they are banned from sale here.
Using Them
- Match the pheromone to the moth. A clothes moth trap in a food cupboard catches nothing.
- Put them where the clothes are. Inside the wardrobe or the drawer, not in the room.
- Read them as a count, not a cure. Rising catches mean the problem is growing; falling catches mean what you are doing is working.
- Replace the pad, not the plan. A refilled trap keeps monitoring; it does not remove larvae from a carpet.
- Clean and launder alongside. That is the part that ends it.
Best Moth Traps Compared
Every column below is what the Amazon listing itself states. Where a listing does not state something, the cell says so rather than guessing.
| Product | Award | Target moth | Pack as listed | Lure life as listed |
|---|---|---|---|---|
| MothPrevention Clothes Moth Traps | Best Clothes Moth | Clothes moths | 3 traps | not stated |
| Demi Diamond Food Moth Traps | Best Pantry Moth | Food moths | 3 traps, 20 pads | not stated |
| Zero In Clothes Moth Trap | Best Value | Clothes moths | 2 traps | not stated |
| Pest Expert Demi-Diamond Traps | Best Professional | Clothes moths | 6 holders, 6 pads | Up to 12 weeks |
| Biocare Moth Trap Refill Pads | Best Refills | Clothes & carpet moths | 20 pads | not stated |
| Zero In Cedarwood Moth Balls | Best Repellent | All moths | 20 balls | Up to 12 months |