Spiders

Spiders at home usually appear for two reasons: they are looking for shelter and they find food. Although many people find them unpleasant, most domestic spiders are not a serious problem and can help control other insects such as flies, mosquitoes, cockroaches and small flying insects.

Spiders are not insects, but we include them in insect pest control because they often appear together with other household insect problems. The smartest approach is usually not to exterminate them, but to keep them away, reduce what attracts them and remove them alive when one appears.

Which solution should you choose if you have spiders at home?

Why spiders appear indoors

A spider enters a home because it finds a quiet place to hide: corners, ceilings, basements, garages, storage rooms, boxes or gaps near doors and windows.

The most important factor is usually food. Spiders feed on other insects, so if you see many spiders, there may also be flies, mosquitoes, cockroaches or other small insects. Reducing those insects also reduces the reason for spiders to stay.

What attracts spiders?

• Other insects: flies, mosquitoes, cockroaches, moths and other small insects are food.
• Quiet corners: garages, storage rooms, basements, ceilings and unused areas.
• Clutter: boxes, cardboard, stored clothes and accumulated objects create shelters.
• Humidity: damp areas attract insects, and those insects can attract spiders.
• Outdoor lights: lights attract flying insects, which can bring spiders close to windows and porches.
• Entry gaps: cracks, poorly fitted doors, shutters and windows without screens.

Better to deter or capture them than kill them

Spiders can be annoying, but they also help reduce other insects. Except in specific cases, it is usually more reasonable to keep them out or remove them alive than to eliminate them indiscriminately.

Most spiders found in homes are not a major risk, although they should not be handled with bare hands if you cannot identify them. If a spider makes you uneasy, use a suitable catching tool or ask for help.

How to keep spiders away from home

The most effective strategy combines several measures: closing entry points, reducing shelters, controlling other insects and using support products when necessary.

• Seal cracks and gaps: check windows, doors, shutters, skirting boards and basements.
• Install screens: they help prevent both insects and spiders from entering.
• Reduce clutter: especially in storage rooms, garages, cupboards, basements and stored boxes.
• Remove webs: regular cleaning makes the area less suitable for spiders.
• Control other insects: fewer flies and mosquitoes means less food for spiders.
• Review outdoor lighting: warm lights or switching lights off when not needed can help.
• Use repellent at entry points: a natural repellent can support prevention around doors, windows and corners.

How to remove a spider without killing it

If a spider appears indoors and you do not want to kill it, avoid touching it directly. The Insect Catcher allows you to capture spiders and insects alive and release them outdoors.

After capture, release it away from doors and windows to reduce the chance of it returning.

Natural repellents for spiders

Odour-based repellents can help make certain areas less attractive to spiders. They do not physically block entry or eliminate an infestation, but they can support prevention around doors, windows, corners, garages and storage rooms.

The Natural Crawling Insect Repellent helps create an odour barrier against spiders, cockroaches, ants and other crawling insects. Reapply it periodically, especially after cleaning or when the smell fades.

Ultrasonic devices against spiders: uses and limits

Ultrasonic devices for spiders should be understood as a complementary aid, not as a single solution. Spiders do not respond like other animals, and effectiveness can vary depending on the room, species and level of presence.

Devices such as Spider Deterrent, Mice & Crawling Insects Repeller - WK0220 or Mice & Crawling Insects Repeller - WK0523 can be used indoors as part of a broader strategy: cleaning, sealing entries, reducing insects and using repellents when needed.

Prevention by area

Bedrooms and living rooms

Check windows, curtains, corners, skirting boards and areas behind furniture. Screens and flying insect control help reduce food sources.

Garages, storage rooms and basements

These are common areas because they are quiet and often contain boxes, cardboard or furniture. Keep them tidy, remove webs and apply repellent at passage points.

Windows, doors and shutters

These are common entry points. Check gaps under doors, window joints and shutter boxes. Sealing and screens are very effective.

Terraces, porches and outdoors

Outdoor lighting can attract insects, and insects can attract spiders. Reduce unnecessary lighting and control flying insects when possible.

When to ask for professional help

Most domestic spider cases can be managed with prevention, cleaning and live capture. Ask for help if there are many spiders, repeated appearances, an unidentified species, sensitive people at home or suspected medical risk.

It may also be worth checking whether another insect pest is providing food. If that cause is not corrected, spiders can return.

Frequently asked questions about spiders at home

How can I get rid of spiders at home?

Rather than eliminating them, keep them out: seal entries, reduce shelters, control the insects they feed on and use repellents in passage areas. If one appears, capture it alive and release it outside.

Why do spiders appear indoors?

They appear because they find shelter and food. Quiet corners, garages, storage rooms, boxes, humidity and other insects can make a home attractive to them.

What attracts spiders?

Mainly other insects, quiet corners, clutter, humidity and entry gaps. Outdoor lights can attract flying insects, which can then attract spiders.

Which smells repel spiders?

Some strong smells used in natural repellents, such as mint, citrus or eucalyptus, can bother spiders. These smells create a temporary barrier and must be reapplied.

Do ultrasonic devices work against spiders?

They can be used as support, but they should not be considered a single solution. Combine them with cleaning, sealing, insect reduction and repellents.

How can I stop spiders entering the house?

Seal cracks, install screens, check doors and windows, keep garages and storage rooms tidy, reduce humidity and control insects that serve as food.

How can I remove a spider without killing it?

Use an insect catcher or live capture tool to remove it without touching it, then release it outdoors away from doors and windows.

Are house spiders dangerous?

Most house spiders are not a major risk and help control other insects. If you cannot identify the species, do not handle it with your hands.

Do spiders mean there are other insects?

Often yes. Spiders feed on other insects, so frequent presence may indicate flies, mosquitoes, cockroaches, moths or other small insects indoors.

When should I call a professional?

Ask for help if there are many spiders, repeated appearances, suspected dangerous species or an associated insect pest that you cannot control.

Spider solutions at BirdGard Iberia

At BirdGard Iberia you will find respectful solutions to keep spiders away from home: natural repellents, live capture and ultrasonic devices as support. Since reducing other insects is key, you can also browse our insect pest control solutions. If you have questions, contact us and we will advise you free of charge.