Do cardboard boxes hold or attract bugs?

Cardboard boxes are everywhere. They are cheap, light, and easy to use at home, in offices, and in warehouses. But many people ask: do cardboard boxes attract bugs?

The honest answer is yes, they can. A box can give pests food, shelter, and moisture. But this mostly happens with old, damp, or dirty boxes. New, clean, well-sealed boxes are far less of a risk. Below we explain why bugs show up, which ones to watch for, and how to keep them out.

Why Do Bugs Like Cardboard?

Cardboard has no strong smell to draw insects. But it can still make a cozy home for them. Here is why.

1. It Can Be a Food Source

• Cardboard is made from wood pulp. It holds cellulose, which pests like termites and silverfish eat.
• The starchy glue in the seams can also draw cockroaches.

2. It Offers Shelter

• The wavy inner layers form little tunnels where bugs hide and breed.
• Boxes stacked in dark corners are even more inviting.

3. It Soaks Up Moisture

• Cardboard takes in water fast. A damp box can grow mold.
• Mold then draws pests like booklice and cockroaches.

Common Bugs Found in Cardboard Boxes

These are the pests most often linked to cardboard:

• Cockroaches — hide in the layers and feed on glue or crumbs.
• Silverfish — love starchy paper and cardboard.
• Termites — treat cardboard like wood and eat it.
• Ants — nest in damp boxes.
• Beetles and moths — common in boxes that held food, fabric, or books.

How to Keep Bugs Out of Cardboard Boxes

A few simple habits keep pests away.

Keep Boxes Dry

• Store them in a cool, dry spot.
• Keep them off basement and garage floors. Do not set them straight on concrete.

Seal Them Well

• Use strong tape to close every seam. This blocks easy entry.

Check and Rotate

• Do not let boxes sit for years untouched. Look them over now and then.

Use Fresh, Clean Boxes

• Start with new boxes, not used ones that may already hold eggs or pests.
• For very long storage, some people add a sealed bin. But clean, dry, sealed cardboard works well for most needs.

The Bottom Line

So, do cardboard boxes attract bugs? They can, but mostly when they are old, damp, or dirty. Keep your boxes dry, sealed, and off the floor, and pests are rarely a problem. New corrugated boxes from a maker arrive clean and ready to use. Need sturdy custom boxes for shipping or storage? Request a free quote, or read our complete guide to custom corrugated boxes.