About Spiders in South Africa
South Africa has an exceptionally rich spider fauna — over 3,000 species. The vast majority are completely harmless to humans and play a valuable role in controlling insect populations. However, several species found in and around South African homes can inflict medically significant bites.
The Black Button Spider (Latrodectus indistinctus) and Brown Button Spider (Latrodectus geometricus) — cousins of the infamous Black Widow — are found throughout South Africa and can inflict painful, neurotoxic bites causing severe muscle cramps, sweating, and in rare cases, respiratory distress. The Violin Spider (Loxosceles spp.) is found in drier regions and can cause serious necrotic wounds.
The Rain Spider (Palystes castaneus) — South Africa's largest common house spider — looks alarming but is generally harmless. The Sac Spider (Clubiona spp.) is frequently found in homes and can give a painful, mildly venomous bite. Managing spider populations around the home is primarily about controlling their prey insects and reducing harborage.
🇿🇦 South African Facts
- South Africa has 3,000+ spider species — one of the world's most diverse faunas.
- The Black Button Spider's venom is 15 times more potent than a rattlesnake's by volume.
- Violin Spider bites can cause severe skin necrosis requiring surgical debridement in serious cases.
- Button Spiders are commonly found in outdoor debris, low vegetation, and undisturbed storage areas.
- The Baboon Spider — a tarantula relative — is found across SA and gives a painful but not life-threatening bite.
Warning Signs of a Spiders Infestation
Spotting a spiders infestation early can save you time and money. Watch for these tell-tale signs:
Visible spider webs in corners, eaves, window frames, garden sheds, and garages.
Spider egg sacs (silken spheres) attached to webs or in corners.
Sightings of large or black/brown spiders in the home — particularly in bathrooms and bedrooms at night.
Button Spiders — small, shiny black spiders with red markings — found in low vegetation, meter boxes, or under outdoor furniture.
Increase in fly and insect activity (spiders follow their food source).
Health & Property Risks
Neurotoxic bite from Button Spider — causes severe pain, muscle spasms, sweating, and hypertension. Antivenom available.
Necrotic bite from Violin Spider — can cause spreading tissue death requiring medical intervention.
Fear and anxiety — arachnophobia is extremely common and severely impacts quality of life.
Spider webs creating unsightly conditions for businesses — particularly hospitality and retail.
Bites to children during play in garden areas harbouring Button Spiders.
Our Spiders Treatment Approach
At Eco-Fumigation, we follow a proven, multi-step process to fully eliminate spiders and prevent their return.
Identification & Risk Assessment
We identify the species present and assess the risk level — distinguishing between harmless species and medically significant ones like Button and Violin Spiders.
Residual Spray Treatment
Professional residual insecticide applied to wall/ceiling junctions, eaves, garages, sheds, window frames, and outdoor harborage areas — killing spiders on contact and providing lasting protection.
Web Removal
All accessible webs and egg sacs are physically removed to eliminate existing populations and prevent hatching of egg sacs.
Prey Insect Control
Reducing the insect food source through general pest treatment makes your property less attractive to spiders in the long term.
Exclusion Advice
Guidance on sealing entry points and reducing harborage around the home.
Prevention Tips — Keep Spiders Away
Our technicians don't just eliminate the current infestation — they help you prevent future ones with these proven tips: