In Switzerland, the frequency of pests varies depending on the season, environment, and type of building. Ants, mice and rats, flies, wasps, stored product pests such as beetles or moths, and increasingly bed bugs and the tiger mosquito are particularly common. While some species appear seasonally, others are active year-round and cause continuous problems.

Seasonal differences

Many pests show clear seasonal patterns.

Spring and summer

In spring and summer, ants, wasps, flies, and mosquitoes dominate. Warmer temperatures encourage their reproduction, and open windows or patio doors make it easier for them to enter the house. Wasps in particular reach their peak in late summer when nests have reached their maximum size.

Autumn and winter

In autumn and winter, the problem shifts: mice and rats seek shelter from the cold and increasingly penetrate buildings. Stored product pests also remain active year-round, as they find ideal conditions in heated indoor spaces.

Home vs. Garden

Pests differ significantly depending on the environment:

Inside the house, the following are particularly common:

Ants in kitchens
Mice in basements and attics
Stored product pests in pantries
Bed bugs in bedrooms

Here, the focus is on hygiene, food safety, and building protection.

In the garden or outdoor areas, the following are typical:

Wasps and hornets
Tiger mosquitoes
Horseflies
Rodents around garbage areas
Ant nests in lawns or on facades

Outdoor infestations can quickly spread indoors if entry points are present.

Hygiene problems vs. material damage

Pests cause different types of damage:

Hygiene pests such as rats, flies, or cockroaches transmit germs and can pose health risks. Mosquitoes and horseflies also cause allergic reactions or severe skin inflammation.

Material pests such as larder beetles, moths, or rodents damage textiles, insulation material, cables, or supplies. Mice and rats in particular can even cause fire risks by gnawing on cables.

Hygiene pests such as rats, flies, or cockroaches transmit germs and can pose health risks. Mosquitoes and horseflies also cause allergic reactions or severe skin inflammation.

Often, an infestation is only noticed once significant damage has already occurred.

Why a professional analysis is important

Many pests are confused or underestimated. Ant species differ greatly in their nesting behavior, and for mice or rats, precise knowledge of the species is crucial for successful control. Even with stored product pests, disposing of individual products is usually not enough, as eggs or larvae can be found in cracks and cavities.

A professional analysis clarifies:

Which species is it?
What is the actual cause?
Which method is effective and legally compliant?
How can a new infestation be prevented?

Early professional assessment saves costs in the long run and prevents consequential damage to health and buildings.

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