Key Features, Identification, and Tips to Prevent Infestation
Colour :
Usually brown, black, grey, or tan, depending on the species.
Size :
Ranges from about 2 mm to 30 mm in body length.
Description :
Spiders have two body parts and eight legs. They do not have antennae. Most spin webs to catch insects, while some hunt their prey.
Spiders are arachnids and are easy to identify once you know what to look for. All spiders have eight legs and two main body parts the cephalothorax (front section) and abdomen (rear section). Unlike insects, they do not have antennae or wings.
Most household spiders range between 3–8 mm in body length, although some species may appear larger due to their long legs. Spiders may be brown, black, grey, or tan in color.
You may notice:
Webs in ceiling corners, basements, garages, or storage areas
Egg sacs attached to webs or hidden surfaces
Fast-moving spiders along floors or walls
Increased insect activity (which attracts spiders)
Spiders prefer dark, quiet, and undisturbed spaces.
For most homes, spiders are more of a nuisance than a serious danger. However, they can still create several concerns:
In rare cases, spiders may bite if they feel threatened often when trapped inside clothing, shoes, or bedding. One medically significant species is the Black Widow Spider.
Bite symptoms may include:
Local pain and swelling
Muscle cramps
Headache
Sweating
Nausea
Severe reactions are uncommon but may require medical attention.
Spider webs collect dust and insects, making ceilings, corners, and entryways look unclean.
Many people suffer from arachnophobia (fear of spiders). Even harmless spiders can cause anxiety and discomfort.
A spider infestation often indicates the presence of other insects in your home — their primary food source.
Spiders enter properties in search of:
Food (other insects)
Shelter
Moisture
Safe breeding spaces
They commonly enter through:
Cracks and crevices in walls
Gaps around windows and doors
Open vents
Utility line openings
Inside homes and businesses, spiders prefer:
Basements
Garages
Storage rooms
Attics
Dark corners and ceiling areas
If you’re seeing many spiders, it often means there is a larger insect population attracting them.
In most cases, spiders are not aggressive and avoid human contact. Harmful species are rare, and serious bites are uncommon.
However, you should consider professional help if:
You are seeing spiders frequently
You notice egg sacs
Webs return quickly after cleaning
You suspect venomous species
Your family members feel unsafe or anxious
While spiders help control insects outdoors, inside your home they can quickly become a nuisance.
Prevention is key to long-term spider control.
Caulk cracks and gaps in walls
Install door sweeps
Repair window screens
Keep food sealed
Dispose of garbage regularly
Use proper outdoor lighting to reduce insect attraction
Remove clutter from basements and storage areas
Keep storage items off the floor
Regularly vacuum corners and ceilings
Use dehumidifiers in damp areas
Fix plumbing leaks
Ensure proper ventilation
If spider activity continues despite prevention efforts, professional treatment is recommended.
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Schedule your FREE home inspection today and let our experts restore your peace of mind.
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