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Ant Control (indoor and garden)

Ant Basics – About Ants
There is one main Ant species that causes the most infestation issues in the UK, the Black Garden Ant (Lasius niger).

The Red Ant (Myrmica rubra) a problematic Ant that has the ability to sting humans and therefore cause irritation. Watch out for a new product coming to combat these in late March 2020.

There are many other types of ants and it is fairly important to identify the type of ant you are dealing with in order to be able to resolve the problem.

Most people recognise the Common Black Garden Ant, but ants such as the Pharoah’s Ant will be much harder to identify and you may need to seek our help for anything other than the Black Garden Ant.

Incidentally, this ant does not restrict itself to the garden and is a major indoor pest, seeking food from your home, often, high sugar or protein content foods but any human food may attract an army of these little pests. It is very rare for this ant to nest indoors!

Most ant colonies have a queen, the queen stays in the nest, which in the case of the Black Garden Ant is generally located underground. You need to kill the queen in order to achieve total eradication of an ant problem and please consider that there could be more than one nest!

The queen ant lays many thousands of eggs during her extensive lifetime (up to 30years!)

Flying ants are mainly fertile female ants, bred in the nest in early spring, that leave the nests in May or June and fly high and spread to form new nests. Further information in the next section below.

Evaluation and preparation for treatment

Before commencing the treatment is is important to find where the Ant nest is located, if that is possible, as the closer to an ants nest the treatment is targeted the more successful it will be.

If the ants are inside the house and they are the black ant, follow their route source until it enters the structure of the building, ie: under the kitchen sink, then look outside the house in that immediate area to check if they are visibly evident outside, if so, keep following the route until it enters the ground. The nest should be near this point.

If there is no evidence of an ant run outdoors then your ant control treatment will need to be carried out mainly indoors.

If your treatment is going to be an indoor one using an ant killer spray, Pro-Active C for Ants remove any uncovered foods and unprotected eating/cooking utensils from the treatment area.

If your treatment involves outdoor spraying, then move any pots or loose garden ornaments to 2 metres away from your treatment area to enable complete ant killer insecticide application.

Most ants nest outdoors. To keep them from migrating indoors, a little preventative maintenance is necessary. If your home is prone to ant infestation, spray an insecticide formulated specifically for outdoor ant removal around the outside perimeter of your house and include to spray any wall air vents and around window and door frames.


Flying ants are usually a problem on hot days in May or June. Outdoors they are not something you can treat but indoors you may want to use a normal fly killer aerosol spray or insecticidal smoke generator.

Opening windows can resolve the problem as the flying ants actually desire to get into the air at high levels, so if they accidentally get into your home, releasing them is the easiest and greenest solution.

Try to find the access point and seal.


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