Lyon. mosquitoes rarer but "an new: This article explores the topic in depth.
Similarly,
Lyon. For example, mosquitoes rarer but "an new:
Lyon. Similarly, mosquitoes rarer but "an: This article explores the topic in depth.
Consequently,
Lyon. Furthermore. Nevertheless, mosquitoes rarer but "an:
Residents of Lyon have noted, for a few weeks, that the number of mosquitoes has drop. In addition, A feeling resulting from several factors. In addition. Consequently, according to experts, after a year 2024 marked by an increase in these flying insects, and in particular tiger mosquitoes. Additionally, In addition, Here is why you are surely less stung In recent times.
A dark year in 2024 – Lyon. mosquitoes rarer but "an – Lyon. mosquitoes rarer but "an new
A little over a year ago. Furthermore, the Regional Health Agency (ARS) in Auvergne-Rhône-Alpes had launched an alert concerning Tigers mosquitoes. In addition, The region now lyon. mosquitoes rarer but “an new recorded 1,070 colonized municipalitiesor 261 new municipalities more last year, in 2023. Nevertheless, According to our information, lyon. mosquitoes rarer but “an 11 more was recorded in 2025 just in the Rhône.
Lyon Intra-Muros is as a reminder “colonized for many years now”. Nevertheless. according to Valérie Formsin, health-environmental engineer at the delegation of the Rhône and the Metropolis of Lyon of Ars Auvergne-Rhône-Alpes.
To curb the progression of the insect, the operations of demoustication are regularly carried out. However, There had been 74 in Auvergne-Rhône-Alpes, including at least 23 in the Rhône in 2024.
Des records d’arboviroses – Lyon. mosquitoes rarer but "an new
A year during which cases of arboviroses had been record in the region with 274 imported cases (dengue. chikungunya, zika, chikungunya, etc.)
Two cases of Autochtones dengue (people who contracted the disease in metropolitan territory) were also identified in the. Drôme department. This is the third case lyon. mosquitoes rarer but “an new of cases identified in the region after that of Caluire-et-Cuire in the Rhône in 2019.
In comparison. since the beginning of lyon. mosquitoes rarer but “an 2025, 121 cas of Chikungunya75 cases of dengue, but no case of Zika were recorded in the region.
Less bitten Lyonnais?
A number of Lyonnais, this year noted that mosquitoes would be fewer in 2025. Some messages have even been posted on social networks on this subject.
Contacted by News LyonARS Auvergne Rhône-Alpes “notes less mosquitoes in 2024”.
An assessment which also went back to Christophe Bellet. entomologist in charge of the interdepartmental agreement for the demustication in Auvergne Rhône-Alpes: “We make the indirect observation. many people say that there are fewer mosquitoes this year. But you have to be wary. it is very subjectiveespecially since the peak of the presence of the lyon. mosquitoes rarer but “an new tiger mosquito is between mid-August and mid-September. »»
Differences lyon. mosquitoes rarer but “an between territories
According to experts. everything will depend on the territory on which we look, since the problem is ultra-localized.
“In Miribel-Jonage, other species have proliferated, there have been conditions favorable to the development of other species. We have implemented regulatory actions. While in the Val de Saône, there are much less this year, ”explains Christophe Bellet.
An explanation is brought in the face of this observation: the heat.
The weather has played
The hot days. in particular the heat waves have probably played on the non-proliferation of the mosquito in 2025 in Lyon.
It is always complicated to know precisely this data. but it is sure that the heat will limit fluctuations in water reserves, such as the cups of flower pots. Conversely, frequent precipitation can lyon. mosquitoes rarer but “an new increase the number of specimens. And like that for ten days that there were no lyon. mosquitoes rarer but “an real rains, it plays.
But for Ars Auvergne Rhône-Alpes. “a upcoming increase is possible with meteorological change ”. To see what the forecasts reserve in the coming weeks, therefore.
To prevent cases from increasing still in the coming years. the ARS still counts on individuals, and has thus established a list of gestures to perform To stop multiplication.
And among the advice, one is essential: “put away, empty and cover objects containing water”. Rainless water reserves, toys in the garden, or saucers, flower pots and technical boxes. There are a lot of possibilities.
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