Kalksteenfontein is small enough that most people know their neighbours, and that helps, because rats here are a shared problem rather than a private one. Give us a block of five or six houses that agree to treat together and we can make a real dent.
Kalksteenfontein: what drives biting insects here
Dog and cat fleas get into blankets and carpets, especially in late summer. Bed bugs usually arrive on second-hand beds and couches.
The ground is open, flat Cape Flats sand with very little to break the wind. After a few days of winter rain, low corners and blocked drains hold water, and the open veld nearby stays soggy. In summer the South-Easter piles litter against fences, and that windblown rubbish becomes rat food.
It is mostly compact council-built homes in rows and pairs, with wendy houses and brick rooms added in the backyards over the years. Roof lines often run unbroken across several homes, which gives mice a private corridor above the ceilings. The backyard rooms, with their timber floors sitting on sand, are where we find rat burrows most often.
Tell-tale signs
- Wriggling larvae, sometimes called wigglers, in pond edges, buckets, bird baths or pool covers.
- Itchy, raised bites on arms, face and feet that were left outside the covers.
- Swarms in the evening near a water feature, drain or neglected pool.
- Day-time bites on the ankles while sitting in the garden, which points to Aedes breeding nearby.
- A high-pitched whine near your ear just as you fall asleep.
In the Western Cape, mosquitoes are mainly a nuisance and are not a malaria risk, but the bites can cause swelling and itching that is worse in children and some adults. Scratched bites can become infected, and constant night-time biting leads to poor sleep for the whole household. For hospitality businesses, restaurants with outdoor seating and wedding venues, mosquitoes in the evening can directly affect guest comfort and reviews.
Something most people miss
The south-easter is not all bad news. Mosquitoes struggle to fly in strong wind, so windy Cape Town days are often bite-free, and the worst nights come when the wind drops.
A common myth is that mosquitoes breed only in big bodies of water. In practice, a bottle cap of water in a pot-plant saucer or a sagging gutter is enough to produce a steady supply right next to your bedroom.
How the treatment works
Source reduction always comes first: we walk the property and find every place water collects, from gutters and drains to ponds, water features, plant saucers and covered pools, and tell you which ones to empty, fix or cover. Water that cannot be removed, such as ponds and drains, can be treated with a larvicide or insect growth regulator that stops larvae becoming adults. Adult mosquitoes rest in cool, shaded places during the day, so we apply a residual spray to the undersides of shrubs, hedges, eaves, patio ceilings and other resting areas. For events or heavy problems, ULV fogging can knock down adult numbers quickly, but it only works properly when combined with dealing with the breeding sites.
Want the full step-by-step? See how our mosquito control service works.
Prevention that actually works
- Store old tyres, tins and containers under cover or throw them away.
- Keep pool water circulating and treated, and drain the water that collects on top of pool covers.
- Stock ornamental ponds with small fish that eat larvae, and keep water features running.
- Clean gutters after winter so they do not hold water through summer.
- Empty pot-plant saucers, buckets, bird baths and pet water bowls at least once a week, because larvae develop into adults in about a week in hot weather.
How much will it cost?
Cost depends on the size of the property, how many breeding sites there are and whether larger water bodies such as ponds or drains need treating. A once-off treatment is priced differently from a programme of visits through the summer season. Fogging for an event is quoted on the size of the area, and the quote itself is free.
Mosquitoes start building up once the weather warms in October and peak from December to March, especially after a wet winter has filled ponds, vleis and gutters. Calm, humid evenings are the worst, while the strong south-easter actually keeps them down on windy days. Numbers drop sharply when the cold, wet winter sets in from about May.
Questions we get asked in Kalksteenfontein
Is there a malaria risk in Cape Town?
No, the Western Cape is not a malaria area. Mosquitoes here are a nuisance and cause itchy bites, but the main concern is comfort and sleep.
Why are there so many mosquitoes this summer?
Usually because a wet winter left more standing water, or a breeding site has developed close by, such as a blocked gutter or an untreated pond.
Do you come out to Kalksteenfontein for mosquito control?
Yes. Kalksteenfontein is part of our regular Cape Flats route, along with Bishop Lavis, Elsies River, Bonteheuwel, Valhalla Park. Most bookings are done within about 48 hours, and after-hours visits can be arranged.
Can you treat a backyard wendy house for cockroaches?
Yes. We use gel baits and targeted treatments that work well in small spaces, and we tell you when it is safe to use the room again.
How far do mosquitoes fly?
Most household mosquitoes do not fly far from where they bred, so the source is usually on your property or a neighbour's.
Why do rats keep coming back in Kalksteenfontein after treatment?
Rats move between homes and open ground, so if only one yard is treated, new rats move in. Treating several homes together and removing food sources gives better long-term results.
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