The number of wild bee types in the European continent experiencing dying out has increased twofold in the last ten years, whereas the total of threatened butterfly types has close to doubled.
This pressing issue for essential pollinating insects was disclosed by scientific studies for the International Union for Conservation of Nature (IUCN) red list, which found that at least 172 bee types out of 1,928 were threatened with extinction in European nations.
The total of butterfly species facing extinction in Europe has grown from 37 to 65 since the earlier research, conducted a decade and a half ago. One type, the large white of Madeira (Pieris wollastoni) has now been classified as extinct.
Apart from their visual charm and cultural significance, pollinators like bees and butterflies are lifelines for our health, our food systems and our economies – supporting the produce, vegetables and seeds that sustain us,” stated Grethel Aguilar. “The latest European red list evaluations reveal significant difficulties, with risks growing for butterflies and essential wild bee species.”
The causes of the rapid recent declines are the ongoing damage or destruction of living environments caused by farming intensification and abandoned land, draining of wetlands, livestock overgrazing, and the utilization of pesticides and fertilisers including neonicotinoids. The breaking up of habitat friendly to pollinators significantly raises the danger of extinctions at local level.
Global heating is also demonstrated to be a major threat: Over half of all threatened butterfly species in Europe are threatened by the climate emergency – about double the number as a ten years ago.
Up to ninety percent of flowering plants in Europe depend on pollination by animals, as per the lead coordinator of the wild bee assessment. “Regrettably, native bee populations are in drastic decline and cannot readily be substituted by managed colonies,” he said. “If wild bees die out, many non-cultivated plants might be at risk too – of which meadows rich in flowers and lovely orchid types are just a few examples.”
Fifteen species of bumblebee types, which have an essential part in pollinating legumes like peas, beans, peanuts and clover, and 14 types of cellophane bee species, known for aiding tree pollination such as willows along with red maples, are now listed as threatened. Simpanurgus phyllopodus, a mining bee species unique to the continent and the sole species of this genus group in European nations, is now evaluated as severely threatened – the research category most akin to extinction in the wild.
Butterfly species that are exclusively located on high-altitude areas are especially at risk to global heating as they must ascend higher as their environments become warmer but in the end exhaust available space. In the southern part of Spain, the Nevada grayling and the Andalusian anomalous blue are among more than 40% of species endemic to Europe (exclusive to Europe) at risk of extinction.
In the Mediterranean, species such as the highly at-risk Karpathos grayling butterfly are imperilled by severe wildfires and drought.
Meanwhile, in the Far North, global heating is resulting in the timberline to shift northward by many meters each year, with bushes invading bog and tundra. Warmer conditions also mean reindeer can no longer cross the ice sheets to feed on northern grasslands and maintain them clear. Eight butterfly species are at risk of extinction in this area, including Freyja’s fritillary and the Arctic ringlet.
“The largest habitat for all these pollinating species is bloom-filled grassy areas and that is declining quickly across the European continent because of all these elements,” remarked Martin Warren. “The encouraging aspect is that so many individuals are aware now and there’s a lot more consciousness. Under the EU’s nature restoration regulation, all participating nations have to reverse the drop in pollinators by 2030, and they are going to have to start doing something. There are land holders who are involved. It is hoped they can receive the encouragements that will help them on their way.”
As per Martin Warren, there is “easy opportunities” in terms of steps for pollinating species which won’t reduce crop yields – and could improve it – such as agricultural producers establishing flower-rich margins around their farmland.
EU commissioner for environment, portrayed the preservation condition of non-managed bees, butterfly species and other pollinating insects as “severe”.
“Prompt and unified steps is needed to tackle this threat. Together with participating nations, the EU Commission has put in place an European Union-wide observation system for pollinators based on the EU nature restoration regulation, which will assist in monitoring our advancement. Now, we need to focus on execution and cooperation with participating nations to safeguard our pollinating insects,” she said.
The publication of the bee and butterfly assessments follows the initial Europe-wide evaluation of hoverflies, a further vital group of pollinators. Issued in twenty-twenty-two, it disclosed that over one-third of all hoverfly species in European nations were facing extinction.
