Imizamo Yethu climbs the slope above the Hout Bay valley, with homes packed closely together on the hillside. Rats, cockroaches and flies are the everyday pests, and the steep ground makes stormwater and refuse a constant challenge.
Biting insects in Imizamo Yethu: what we see
Fleas come with dogs and cats in the yard and get into bedding. Bed bugs hide in mattresses, bed frames and furniture.
It sits on the slopes below the mountain, with fynbos and steep rock above. Winter rain runs downhill fast and can carry litter into drains, while the South-Easter blows debris around in summer. The slope also means water collects in low points and blocked channels.
Rats are the main problem, followed by German cockroaches and flies in summer. Fleas and bed bugs come up in crowded homes. Mice get into food stores in shops and homes.
Worth knowing
Electric bug zappers attract plenty of insects, but studies have shown that very few of them are mosquitoes. Screens and source reduction do far more.
Restaurants and guest houses with outdoor areas lose evening trade when mosquitoes get bad. Treating resting areas and keeping water features maintained should be part of the summer routine.
What gives them away
- Itchy, raised bites on arms, face and feet that were left outside the covers.
- Wriggling larvae, sometimes called wigglers, in pond edges, buckets, bird baths or pool covers.
- A high-pitched whine near your ear just as you fall asleep.
- Day-time bites on the ankles while sitting in the garden, which points to Aedes breeding nearby.
- Small dark mosquitoes resting on shaded walls, under the eaves or behind curtains during the day.
- Swarms in the evening near a water feature, drain or neglected pool.
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.
Stopping a repeat visit
- Keep pool water circulating and treated, and drain the water that collects on top of pool covers.
- 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.
- 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.
- Fit mosquito screens to bedroom windows and use a net over cots in summer.
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.
Frequently asked questions
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.
Can you treat a whole row of homes in Imizamo Yethu for rats at once?
Yes, and that is the best way to do it. When neighbours treat together, the rats cannot simply move next door, so the results last longer.
Do you come out to Imizamo Yethu for mosquito control?
Yes. Imizamo Yethu is part of our regular City Bowl & Atlantic Seaboard route, along with Hout Bay, Llandudno, Constantia. Most bookings are done within about 48 hours, and after-hours visits can be arranged.
Is it safe to use rat bait around children in Imizamo Yethu?
We use tamper-resistant bait stations so children and pets cannot reach the bait. We always explain where they are placed and what to watch for.
Does fogging get rid of mosquitoes?
Fogging kills adults that are flying at the time, but new ones will hatch from any untreated water. It works best as part of a plan that deals with breeding sites.
Can you treat before a wedding or function?
Yes. We usually inspect beforehand, deal with breeding sites and then fog or spray resting areas shortly before the event.
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