The number of wild bee species in European nations experiencing extinction has more than doubled over the past decade, and the count of endangered butterfly types has almost doubled.
This pressing issue for essential pollinating insects was disclosed by research studies for the International Union for Conservation of Nature (IUCN) red list, which determined that at least over 170 bee types out of 1,928 were threatened with extinction in the European continent.
The number of butterfly species at risk of extinction in the European continent has grown from 37 to sixty-five since the previous assessment, carried out a decade and a half ago. One species, the large white of Madeira (Pieris wollastoni) has now been classified as extinct.
In addition to their aesthetic appeal and cultural value, pollinating species like bees and butterflies are lifelines for our physical condition, our food chains and our economic systems – maintaining the produce, vegetables and seeds that feed us,” said the IUCN’s director general. “The newest European red list evaluations reveal serious challenges, with risks growing for butterfly types and crucial wild bee varieties.”
The factors of the quick recent decreases are the persistent destruction or damage of natural habitats caused by agricultural intensification and abandoned land, draining wetlands, excessive grazing by animals, and the use of chemical fertilisers and pesticides including neonicotinoid chemicals. The breaking up of environments suitable for pollinators substantially boosts the danger of local extinctions.
Global heating is also revealed to be a major threat: Fifty-two percent of all endangered butterflies in Europe are endangered by the climate change crisis – roughly double the number as a ten years ago.
As many as ninety percent of blooming plants in the European continent rely on pollination by animals, as per the lead coordinator of the wild bee assessment. “Sadly, wild bee populations are in severe drop and are not easily replaceable by managed colonies,” he said. “If native bees die out, many wild plants might be at risk too – of which meadows rich in flowers and attractive orchid varieties are just a couple of instances.”
Fifteen types of bumblebee species, which perform a vital function in fertilizing legumes like peas, beans, peanuts and clover, and 14 types of cellophane bees, recognized for fertilizing trees such as willows along with red maples, are now categorized as at-risk. Simpanurgus phyllopodus, a mining bee species unique to the mainland and the single type of this genus group in European nations, is now classified as critically at risk – the research category most akin to extinction in the wild.
Butterfly types that are only found on mountain tops are highly susceptible to global heating as they need to move uphill as their habitats become warmer but ultimately have no room left. In Spain’s southern region, the Nevada grayling and the Andalusian anomalous blue are among over forty percent of types unique to Europe (only found in Europe) threatened with extinction.
In the Mediterranean, varieties such as the critically endangered grayling of Karpathos are imperilled by extreme dry conditions and fires.
In the meantime, in the Arctic Circle, climate change is resulting in the tree line to advance northwards by dozens of meters each year, with underbrush encroaching on wetlands and tundra. Higher temperatures also mean caribou can no more cross the ice sheets to graze Arctic meadows and prevent them from overgrowing. 8 butterfly varieties are at risk of 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 across the European continent because of all these factors,” said one of the lead coordinators of the butterflies assessment. “The positive thing is that so many individuals care now and there’s a lot more awareness. Under the European Union nature restoration law, all member states have to reverse the decline in pollinating insects by twenty-thirty, and they are going to have to initiate measures. There are landowners who are engaged. Let’s hope they can receive the motivations that will help them on their way.”
As per Warren, there is “low-hanging fruit” in terms of measures for pollinating insects which will not lower agricultural output – and may enhance it – such as farmers developing flower-rich margins around their cultivated areas.
EU commissioner for environment, characterized the conservation status of native bees, butterflies and additional pollinators as “severe”.
“Prompt and unified steps is necessary to confront this threat. In collaboration with member countries, the Commission of the European Union has established an European Union-wide observation system for pollinators based on the EU nature restoration regulation, which will assist in monitoring our progress. Now, we need to focus on implementation and partnership with member states to safeguard our pollinators,” she said.
The publication of the bee and butterfly assessments is subsequent to the initial Europe-wide evaluation of hoverflies, a further essential pollinating insect category. Released in 2022, it revealed that 37% of all hoverfly types in Europe were threatened with extinction.
