Landau defends itself against large glandular ants: This is how diatomaceous earth helps!
Landau fights the invasive ant species Tapinoma magnum with diatomaceous earth. Measures begin in Godramstein on August 13th, 2025.

Landau defends itself against large glandular ants: This is how diatomaceous earth helps!
The city of Landau is facing an uninvited plague: the invasive ant species Tapinoma magnum, also known as the large gland ant, has spread to the region. The infestation is particularly severe in Godramstein. Although these ants are harmless to humans, they can cause significant damage. They invade kitchens where they seek out food sources and have the potential to affect the fabric of house facades. A key point of concern is the large underground colonies they form, which in the worst case can endanger roads and buildings. So reported rheinpfalz.de about the challenges that this ant species poses for local residents.
To combat the plague, the city relies on diatomaceous earth, a powder made from fossilized diatoms. This method initially begins in heavily affected areas, starting at a playground in Godramstein. The application takes place under strict safety precautions: The workers are in orange work clothes, wear gloves and respiratory masks to protect themselves from the dusty rock. Loud swr.de Diatomaceous earth is harmless to humans, but can irritate the skin and respiratory tract and should therefore be used with caution.
Diatomaceous earth is not only a chemical-free alternative - it has a remarkable effect against ants. The sharp edges of the powder injure the insects' shells, leading to their dehydration. One advantage of diatomaceous earth is that it does not have to be renewed daily and therefore has a long-term effect. This method is not only recommended for ant control, but is also a common practice in organic farming to control mites in chicken coops, such as dein-bauernhof.de notes.
What can residents do? In order to support the city in the fight against the annoying intruders, the affected residents are recommended to take action themselves. You can use either hot water or diatomaceous earth to treat infected areas. They should wear respiratory protection, safety glasses and gloves to protect themselves. Diatomaceous earth is available at most garden and hardware stores, making it easier for residents to help control ants.
Fighting the large glandular ant is a community project that requires widespread support. As the city implements the measures in public areas, the participation of residents is crucial to getting the invasive species under control. Whether the project will be successful remains to be seen, but the mobilization against the ant plague has certainly begun.