Spider Egg Sacs: What They Look Like and Safe Removal

Small silk balls in corners or on walls may be spider egg sacs.

The short answer

Egg sacs are round or oval silken cases, white, cream or tan, found in webs, corners, under furniture or behind objects. Each may hold dozens or hundreds of eggs. Remove them with a vacuum or by wiping into a bag, then dispose outside. Wear gloves and clean the area. Reduce reinfestation by decluttering and sealing gaps.

What they look like

• Silk balls or pads, often white or tan.
• Attached to webs, walls, undersides.
• Sometimes guarded by the female.

Safe removal

1. Wear gloves.
2. Vacuum or scoop into a bag.
3. Seal and dispose outside.
4. Wash the area.

Prevention

• Clear clutter.
• Check corners regularly.
• Seal cracks.

When to call a professional

If the problem is widespread, keeps returning or you are unsure what you are dealing with, a professional inspection will save time and avoid wasted effort.

Frequently asked questions

Do sacs hatch quickly?

Often within weeks.

Are babies dangerous?

Mostly not, but numerous.

Can I wash them off?

Yes, but vacuum is easier.

Should I hire help?

For large numbers.

This guide is part of IPest's complete resource on household pest control. For identification help, prevention and treatment options, see our full household pest control guide for Bangalore.