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Tiger mosquitoes have increased in the last year in the Rhine port and near the toll on the French highway. But after Muttenz and Reinach, larvae have also been found in the new Basel bathing district. Now, the Basel Department of Health and the Basel Directorate for Construction and Environmental Protection have issued a joint statement that the population must help fight the plague.
Annoying, but so far not dangerous.
The tiger mosquito is a troublesome insect that is active during the day and breeds mainly in settlement areas, according to the cantons of Basel. With its bites it can transmit diseases. But that has never happened in Switzerland. Because where there are no hosts, for example, malaria, pathogens cannot be transmitted. At the same time, there must be a high density of mosquito population. Therefore, the risk of transmission is considered minimal.
However, Baselland and Basel-Stadt have taken steps in public space to stop the tiger mosquito. Individuals can support efforts, for example, by dispensing with pots or emptying them once a week. Because tiger mosquitoes lay their eggs in small glasses of standing water. Rain barrels, watering cans, or buckets can also become breeding ground and must be covered or emptied. Local authorities do not recommend the use of insecticides.
The first find of a tiger mosquito in the Basel area occurred in Arlesheim in 2015. Since then, isolated finds have been found in the service area of the Pratteln motorway and one in Green 80. New from the most recent cases in Basler Neubad, Reinach and Muttenz is that larvae were found in the settlement area. When and how the tiger mosquito will settle in the region is currently unclear. “The spread depends on the weather, compliance with instructions and the efforts of the authorities,” says Gabriel Stebler of the Basel Agency for Environmental Protection and Energy. Meanwhile, it was important to prevent tiger mosquito populations.
The tiger mosquito has been in Ticino in recent years.
Already widely disseminated. It was first tested there in 2003. Since then it has spread further and further north. For example, tiger mosquitoes have already been seen in the cantons of Zurich, Bern and Freiburg.
