Home Improvement

Poison free pest control against rats and fruit flies


When it comes to pests in the home, things can get complex quickly. Because with well over 1 million different insects and rodents that can nestle in houses and apartments uninvited, there are a similar number of means and methods to get rid of them. Unfortunately, many of these methods are still toxic to this day. And not only for the pests, but also for people and pets.

More and more professionals therefore work consistently non-toxic. Because in most cases this is quite possible – and sometimes even works better. Here are a few examples in which you can also combat certain pests in the house without toxins (or at least with low toxicity).

Martens love your attic

Martens are really beautiful little rodents. In the house, however, they cause trouble. Once the nocturnal animals have found a comfortable place to rest during the day, it is relatively difficult to drive them away again. But not impossible.

Beech marten, stone marten, house marten, house marten (Martes foina), young stone marten looks out from behind wood piles, Germany, Rhineland-Palatinate Beech marten, Stone marten, White breasted marten (Martes foina), juvenile on a stack of logs, Germany , Rhineland-Palatinate BLWS436994 Copyright: xblickwinkel / H.-J.xZimmermannx Stone marten Stone Marder marten House Marder Martes foina young Stone marten looks behind Wood pile show Germany Rhineland Palatinate Beech Marten Stone Marten White breasted Marten Martes foina Juvenile ON a Stack of logs Germany Rhineland Palatinate Copyright xblickwinkel HJ xZimmermannx
Image: © IMAGO / blickwinkel

First things first: even the attempt to catch a marten in a live trap must be left to a hunter. You shouldn’t hurt them – let alone kill them. However, this is completely unnecessary, as we know that martens are very sensitive to noise. With the help of an ultrasound device that emits an unpleasant sound, or with an MP3 player and a small loudspeaker, the daytime sleep shelter can be penetrated with sound.

Tips using your own urine are also circulating on the Internet. This can actually work too, but for hygienic reasons it should not be regarded as the first choice.

If a marten feels intensely disturbed, it will go away. At least for now. From this point at the latest, it is important to find out how he gained access. In order to finally prevent him from returning, all loopholes must be discovered and sealed. Typical search points are in the roof structure, on the rain gutter or through cracks in the wall.

Rats learn from your unsuccessful attempts

In rats it is a little bit similar to the marten. However, with the difference that rats have a very complex social structure. Their intelligence ensures that they recognize a method of displacement once used, as a method the next time – and it no longer works. So caution is required.

A rat looking for food
Image: © IMAGO / PA Images

High-frequency ultrasound devices can also work in rats. These things have one real downside, though. Most people do not hear the high notes. However, particularly sensitive ears can still feel disturbed. Because even a few people tend to have bad headaches – even if they cannot classify that it comes from such a device. In any case, this also applies to pets. If you own pets yourself – or if you have your immediate neighbors – you should definitely not use this method (even if it works).

There are a few smells that rats don’t like at all. These include vinegar essence and clove oil. In these cases, however, there is a risk that the animals can get used to it after a while. There is obviously no getting used to with used cat litter. This can be filled into small cloth bags and laid out around the rat den.

Unfortunately, it is the case with rats that they too often return if the deterrent is not sustained over the long term. And who does that anyway? This also applies to live traps. If you catch a rat alive – and release it, it will definitely come back at some point. If you don’t want to expose them, you might get the idea of ​​somehow killing them. And that usually ends in agony – so it’s not a good idea at all.

So if any form of deterrent does not work, the only thing left is the exterminator or the snap trap. Please never get the idea of ​​trying to make a trap yourself. When the snap trap becomes the last option, a good, professional rat trap should be set up. Because this is the only way to ensure that the rat does not feel its death.

Fruit flies rarely come alone

Another classic in the household is the common fruit fly. Those who eat a balanced diet will regularly have fresh fruit in the house. And thus – almost unavoidably – regularly bringing in fruit flies. What is particularly uncomfortable here is that you should act quickly before a few flies turn into a perceived nuisance. Because these little flies are not only uncomfortable because they are floating around everywhere. Unfortunately, they also secrete substances that cause fruit to spoil more quickly.

Fruit flies on orange slice
Not a really nice sight. Fruit flies spoil much faster fruit. (Image: © IMAGO / nordpool / Tittel)

Once they are there, you can theoretically fight them with a self-made fruit fly trap. Sometimes it works very well. But sometimes not. It depends on the correct mixing ratio and the place of installation. Tinkering is quick: Take a glass, fill it with a little wine vinegar and orange (or apple) juice. Then add a splash of detergent to relieve the surface tension of the mixture. The glass is covered with perforated aluminum foil. And after a while the trap should fill up.

However, if you want to be on the safe side, you can also buy a more effective fruit fly trap. Here too, however, you should use a non-toxic version. Biocides are completely unnecessary in the fight against fruit flies. It is only important that the attractant works intensely enough. Then it is a good variant, which on the one hand can be reused – and avoids time-consuming tinkering.


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