St James is a narrow strip of grand old houses squeezed between the mountain and False Bay, best known for its colourful bathing boxes and tidal pool. With the mountain right behind and the sea in front, homes deal with damp, wind and wildlife all year.
Biting insects around St James
Fleas are the main biting complaint in homes with pets, and mosquitoes are worse after rain in shaded gardens.
The suburb sits at the foot of the mountain in Table Mountain National Park, with the Main Road and railway line running along the coast. Sea spray, damp winters and the South-Easter in summer all play a part. Wildlife from the mountain, including baboons and rodents, comes right down to the gardens.
Rats and mice from the mountain slopes are the biggest problem, with fishmoths and wood borer close behind. Ants and spiders are common in summer, and gulls and pigeons are regular around the coast.
Signs to look for
- 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.
- 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.
- 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.
From the technician
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.
How we handle mosquito control in St James
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.
Keeping them out afterwards
- Stock ornamental ponds with small fish that eat larvae, and keep water features running.
- Store old tyres, tins and containers under cover or throw them away.
- 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.
- Clean gutters after winter so they do not hold water through summer.
- Keep pool water circulating and treated, and drain the water that collects on top of pool covers.
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 St James
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.
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 inspect my old St James home for wood borer before I sell?
Yes, we inspect floors, roof timbers and verandas and give you a written report. Many sales need a beetle certificate, so book early.
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 do I have so many fishmoths in my St James house?
Sea air and mountain damp keep old houses humid, and fishmoths love that. Drying out cupboards and a targeted treatment brings numbers down.
Do you come out to St James for mosquito control?
Yes. St James is part of our regular South Peninsula route, along with Muizenberg, Kalk Bay, Lakeside. Most bookings are done within about 48 hours, and after-hours visits can be arranged.
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