The count of native bee types in Europe confronting dying out has increased twofold in the last ten years, whereas the count of at-risk butterfly types has almost doubled.
This critical situation for vital pollinators was revealed by scientific assessments for the red list of threatened species, which found that at least over 170 bee types out of over 1900 were facing extinction in Europe.
The total of butterfly species at risk of extinction in the European continent has grown from over thirty-five to 65 since the earlier research, conducted over a decade past. One species, the Madeiran large white butterfly (Pieris wollastoni) has now been confirmed extinct.
Apart from their visual charm and cultural value, pollinating species like bees along with butterflies are lifelines for our well-being, our food systems and our economic systems – supporting the fruits, vegetables and seeds that nourish us,” commented the IUCN’s director general. “The most recent European red list evaluations reveal serious challenges, with threats increasing for butterfly types and essential wild bee species.”
The reasons of the rapid recent declines are the continuing destruction or damage of habitats caused by farming intensification and land abandonment, draining of wetlands, excessive grazing by animals, and the application of pesticides and fertilisers including neonicotinoid chemicals. The breaking up of environments suitable for pollinators significantly raises the threat of local extinctions.
Global warming is also shown to be a primary risk: 52% of all threatened butterfly types in European nations are endangered by the climate crisis – approximately double the number as a ten years ago.
Up to nine out of ten of blooming plants in European nations require animal pollination, according to Dr Denis Michez. “Sadly, native bee colonies are in severe drop and cannot readily be substituted by domesticated hives,” he said. “If non-managed bees disappear, many non-cultivated plants might be threatened too – of which flower-rich meadows and attractive orchid varieties are just a handful of illustrations.”
Fifteen types of bumblebees, which perform a vital function in pollinating peas, beans, peanuts and clover, and 14 types of cellophane bee species, famous for aiding tree pollination such as willows along with red maples, are now categorized as at-risk. Simpanurgus phyllopodus, a mining bee species found only in the continent and the sole species of this biological genus in Europe, is now classified as critically at risk – the scientific classification nearest to disappearance in the wild.
Butterfly species that are exclusively located on mountain tops are particularly vulnerable to global warming as they need to move uphill as their environments become hotter but ultimately run out of space. In southern Spain, the Nevada grayling butterfly and the Andalusian anomalous blue are among above 40 percent of species endemic to Europe (only found in Europe) facing extinction.
In the Mediterranean area, types such as the severely threatened Karpathos grayling butterfly are threatened by intense dry conditions and fires.
At the same time, in the Arctic Circle, global warming is causing the forest boundary to shift northward by many meters each year, with scrub encroaching on wetlands and tundra. Higher temperatures also mean caribou can no longer cross the frozen water to browse Arctic grasslands and keep them open. Eight butterfly species are at risk of extinction in this region, including Freyja’s fritillary butterfly and the Arctic ringlet.
“The largest environment for all these pollinators is bloom-filled grassy areas and that is declining quickly across Europe because of all these factors,” said a lead coordinator for the butterfly assessment. “The positive thing is that so many individuals are aware now and there’s a lot more awareness. Under the European Union nature restoration law, all participating nations have to halt the drop in pollinating insects by the year 2030, and they are going to have to start doing something. There are property owners who are engaged. It is hoped they can obtain the incentives that will support them on their way.”
As per Warren, there is “readily achievable actions” in terms of action for pollinating insects which will not decrease agricultural output – and may enhance it – such as agricultural producers establishing flower-rich margins around their fields.
EU commissioner for environment, portrayed the protection status of non-managed bees, butterfly species and other pollinating insects as “dire”.
“Urgent and collective action is necessary to confront this danger. Together with member countries, the Commission of the European Union has implemented an European Union-wide observation system for pollinators based on the EU nature restoration law, which will assist in monitoring our advancement. Now, we need to concentrate on implementation and cooperation with member countries to preserve our pollinating species,” she said.
The release of the assessments on bees and butterflies is subsequent to the first Europe-wide evaluation of hoverflies, a further crucial pollinator group. Published in twenty-twenty-two, it revealed that 37% of all hoverfly types in European nations were at risk of extinction.
