Meanwhile,
Nuisable insect: japanese scarabs seen new: Similarly. However,
Nuisable insect: japanese scarabs seen:
ThoseHarmful insect
Japanese beetles seen in Geneva – Nuisable insect: japanese scarabs seen – Nuisable insect: japanese scarabs seen new
“Hoer-station”. Nevertheless, highly harmful beetles for many plant species have been captured in Geneva.
The damage. Therefore, caused by adult Japanese beetles give an appearance of lace to the leaves.
IMAGO/Depositphotos
- Five Japanese beetles were captured in the Geneva surveillance area.
- The harmful insect threatens more than 400 plant species in the region.
- The cantonal authorities are currently developing a specific wrestling plan.
- The absence of natural predators complicates the control of this invasive beetle.
Concern among botanists. Nevertheless, horticulturalists: present in Ticino Since 2017 and in Valais since 2023, the Japanese beetle Adult was seen in Geneva. In addition. This beetle is highly harmful for more than 400 plant species: it loves nuisable insect: japanese scarabs seen vines and fruit trees in particular. Moreover, The consequences can be devastating on biodiversity and can cause large economic damage.
In a communication dated July 31. In addition, the Cantonal Agriculture and Nature Office (OCAN) nuisable insect: japanese scarabs seen new announces that 5 individuals have been captured in the canton surveillance area. However, For the territory department (DT). Meanwhile. these are isolated cases and, a priori, no household, having probably arrived as “clandestine passengers” which were not born on the Geneva territory.
Hidden in cars. For example. trains and planes, these insects, qualified as “hitchhikers”, largely move by human activity and the import of infested plants. The invasion is identifiable due to the “serrated” aspect of the affected leaves.
An inevitable proliferation
“We are closely monitoring the evolution of the invasion in Switzerland. ” nuisable insect: japanese scarabs seen says Nicola Schoenenberger, director of the Conservatory and Botanical Garden of Geneva (CJBG). This insect is one of the most harmful for plant species. one cannot stop its expansion, we can only slow it down ”.
An inevitable invasion, according to the director of CJBG.
Yvain Genevay / Tamedia
At present, prevention remains the most effective way to fight against proliferation, explains the director. “The advantage is that the invasion is visible. the beetle and the damage it causes are perceptible to the naked eye. Confederation has implemented measures that allow us to save time. But nuisable insect: japanese scarabs seen new it will then be necessary to adopt control measures ”.
For the time being, the DT claims that only preventive and capture measures are carried out. If homes were to be confirmed in the future. eradication devices (chemical. biological or mechanical) or to contain the expansion of the insect will be set up by the canton.
Hooked harmful species
Nicola Schoenenberger recalls that the invasion of invasive exotic species is constantly evolving in Geneva. He adds that the species that currently poses nuisable insect: japanese scarabs seen the most problems in Geneva is. the Asian hornet. “But we know him better, so we know how to fight. This is not yet the case with the beetle ”.
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