How to Identify Clothes Moths
How to identify clothes moths in your home
Finding a small moth indoors can be worrying, particularly if you have wool carpets, clothing or upholstered furniture. However, not every moth in the house is a clothes moth. Correct identification matters because clothes moth traps are species-specific and the visible adult moth is not the stage that damages fabric.
In the UK, the two principal textile pest species are the common or webbing clothes moth (Tineola bisselliella) and the case-bearing clothes moth (Tinea pellionella).
What does a common clothes moth look like?
An adult common clothes moth is small, usually around 5–8 mm long. Its wings are narrow and plain golden or straw coloured, often with a fringe of fine hairs. The head may appear slightly ginger or reddish.
Unlike many outdoor moths, clothes moths tend to avoid bright light. They are more likely to run, flutter low across a room or remain close to wardrobes, carpets and other undisturbed areas.
Adult moths do not make holes in clothing. The damage is caused by their larvae.
What does a case-bearing clothes moth look like?
The adult case-bearing clothes moth is similarly small but is generally duller in colour. Its wings can show several darker spots, although these markings may become less obvious as the moth ages.
The larva creates a portable silken case and attaches fibres from the material on which it is feeding. Finding small, tube-like cases attached to textiles, walls or furniture is therefore an important identification clue.
What do clothes moth larvae look like?
Clothes moth larvae are pale or creamy white caterpillar-like grubs with darker heads. They prefer concealed areas where they can feed without frequent disturbance.
Look for larvae, webbing or cases:
- Along carpet edges and underneath furniture
- Inside wardrobes and drawers
- In folds, cuffs, pockets and beneath collars
- Behind clothing labels and along seams
- Around upholstered furniture, especially beneath cushions
- In stored wool, cashmere, silk, fur, feathers and other animal-based materials
- Around old bird nests or animal remains in lofts and chimneys
The larvae are more useful for confirming an active textile infestation than a single adult moth seen elsewhere in the house.
Signs of clothes moth damage
Typical warning signs include:
- Irregular holes in woollen clothing or blankets
- Loss of pile in patches of wool carpet
- Silken threads or webbing across affected fibres
- Cream-coloured larvae or silken tubes
- Loose fibres, debris or small pellets around the damaged area
- Adult moths repeatedly appearing near wardrobes or carpet edges
Concentrate your inspection on dark, quiet and rarely cleaned areas. Damage underneath a heavy sofa or around the back of a wardrobe may be more significant than anything visible in the centre of the room.
Clothes moth or food moth?
If the moths are concentrated around flour, cereals, nuts, dried fruit or pet food, you may have a stored-food moth rather than a clothes moth. Food moths are normally found around kitchen cupboards and often have more strongly patterned or two-toned wings.
Use our guide to clothes moths or food moths before choosing a trap.
How clothes moth traps help with identification
Pheromone clothes moth traps attract male moths of the target species. They can help confirm activity, indicate where moths are being caught and show whether numbers change over time.
They should be viewed as monitoring tools, not a complete solution on their own. A trap does not reach eggs or larvae hidden in textiles, and it will not attract every moth species.
Shop clothes moth traps or read how pheromone moth traps work.
What to do if you find clothes moths
1. Inspect nearby natural-fibre textiles and carpet edges.
2. Separate visibly affected items from unaffected belongings.
3. Clean wardrobes, drawers, skirting edges and hidden floor areas thoroughly.
4. Follow the care instructions for affected clothing and textiles.
5. Store clean items in sealed containers or suitable garment bags.
6. Position species-specific monitoring traps according to their instructions.
7. Seek professional pest-control advice if activity is widespread or continues despite cleaning and monitoring.
Frequently asked questions
Are clothes moths attracted to light?
Clothes moths generally favour dark, undisturbed areas. A moth repeatedly flying around a bright window or light fitting may be another species.
Do adult clothes moths eat clothing?
No. It is the larval stage that feeds on susceptible fibres and causes damage.
Can clothes moths damage synthetic fabric?
Their larvae are associated mainly with animal-based materials such as wool, fur, feathers and silk. Mixed textiles may still be vulnerable where they contain suitable natural fibres or soiling.
Will one clothes moth trap remove an infestation?
No. Pheromone traps are most useful for detection and monitoring. Cleaning, inspection and dealing with affected materials are also important.
