The number of wild bee species in Europe experiencing dying out has more than doubled in the last ten years, and the count of at-risk butterfly types has nearly doubled.
This critical situation for vital pollinators was disclosed by scientific studies for the International Union for Conservation of Nature (IUCN) red list, which established that at least one hundred seventy-two bee varieties out of nearly two thousand were at risk of extinction in the European continent.
The number of butterfly types threatened with extinction in the European continent has grown from over thirty-five to over sixty since the previous assessment, conducted over a decade past. One type, the Madeiran large white (Pieris wollastoni) has now been declared extinct.
In addition to their aesthetic appeal and cultural significance, pollinating species like bees and butterfly species are crucial elements for our well-being, our food systems and our economies – maintaining the fruits, vegetables and seeds that sustain us,” said the IUCN director general. “The latest European red list evaluations reveal significant difficulties, with dangers increasing for butterflies and crucial non-managed bee species.”
The factors of the quick recent decreases are the persistent harm or degradation of habitats caused by agricultural intensification and land abandonment, draining of wetlands, overgrazing by livestock, and the utilization of pesticides and fertilisers including neonicotinoid pesticides. The breaking up of pollinator-friendly habitat substantially boosts the danger of disappearances in specific areas.
Global warming is also revealed to be a significant danger: Over half of all endangered butterfly species in the European continent are endangered by the climate emergency – about twice as many as a previous decade.
As many as 90% of blooming plants in European nations depend on pollination by animals, according to Dr Denis Michez. “Sadly, wild bee groups are in drastic decline and cannot readily be substituted by managed colonies,” he said. “If non-managed bees vanish, many native plants might be threatened too – of which bloom-filled grasslands and beautiful orchid species are just a few examples.”
Fifteen types of bumblebee types, which play a crucial role in fertilizing crops such as peas, beans, peanuts and clover, and fourteen varieties of cellophane bee types, famous for aiding tree pollination such as willows and red maples, are now categorized as at-risk. Simpanurgus phyllopodus, a mining bee species exclusive to the mainland and the sole species of this genus in Europe, is now classified as severely threatened – the scientific classification nearest to disappearance in the wild.
Butterfly species that are solely present on high-altitude areas are highly susceptible to global heating as they must ascend higher as their habitats become warmer but eventually exhaust available space. In Spain’s southern region, the Nevada grayling butterfly and the anomalous blue of Andalusia are among over forty percent of European endemics (only found in Europe) threatened with extinction.
In the Mediterranean, types such as the severely threatened grayling of Karpathos are threatened by severe wildfires and drought.
In the meantime, in the Arctic region, global warming is causing the forest boundary to shift northward by many meters each year, with underbrush invading marsh and tundra. Higher temperatures also mean Arctic deer can no more cross the ice to browse Arctic meadows and keep them open. Eight butterfly species are threatened with extinction in this zone, including Freyja’s fritillary and the ringlet of the Arctic.
“The greatest habitat for all these pollinators is bloom-filled grassy areas and that is vanishing rapidly throughout Europe because of all these reasons,” stated one of the lead coordinators of the butterflies assessment. “The encouraging aspect is that so many citizens care now and there’s a lot more understanding. Under the European Union nature restoration law, all member states have to turn around the decline in pollinating insects by the year 2030, and they are going to have to start doing something. There are property owners who are interested. Let’s hope they can get the motivations that will support them on their way.”
As per Martin Warren, there is “readily achievable actions” in terms of action for pollinating insects which will not decrease crop yields – and may enhance it – such as growers establishing bloom-filled edges around their fields.
Jessika Roswall, characterized the preservation condition of native bees, butterflies and additional pollinators as “dire”.
“Prompt and unified steps is required to confront this danger. Together with participating nations, the Commission of the European Union has implemented an European Union-wide tracking system for pollinating species based on the EU nature restoration law, which will aid in following our progress. Now, we need to focus on application and cooperation with participating nations to protect our pollinators,” she said.
The issuance of the bee and butterfly assessments comes after the initial Europe-wide study on hoverflies, a further vital group of pollinators. Published in 2022, it disclosed that thirty-seven percent of all hoverfly types in the European continent were at risk of extinction.
