The number of wild bee varieties in the European continent experiencing extinction has over doubled in the last ten years, while the count of at-risk butterfly types has almost doubled.
This pressing issue for crucial 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 varieties out of 1,928 were at risk of extinction in the European continent.
The count of butterfly species threatened with extinction in European nations has risen from thirty-seven to 65 since the earlier research, performed a decade and a half ago. A single species, the Madeiran large white butterfly (Pieris wollastoni) has now been classified as extinct.
In addition to their beauty and cultural significance, pollinating species like bees along with butterflies are crucial elements for our physical condition, our food systems and our economic systems – sustaining the fruits, vegetables and seeds that sustain us,” stated Grethel Aguilar. “The most recent European red list assessments reveal major obstacles, with dangers increasing for butterfly types and essential native bee types.”
The factors of the rapid recent declines are the persistent damage or destruction of habitats caused by agricultural intensification and deserted farmland, wetland drainage, excessive grazing by animals, and the application of pesticides and fertilisers including neonicotinoid chemicals. The division of environments suitable for pollinators substantially boosts the threat of disappearances in specific areas.
Global warming is also shown to be a primary risk: 52% of all at-risk butterfly species in the European continent are imperilled by the climate crisis – roughly twofold the amount as a ten years ago.
Nearly ninety percent of plants that flower in European nations depend on pollination by animals, as per the lead coordinator of the wild bee assessment. “Unfortunately, non-managed bee populations are in drastic decline and cannot be easily replaced by domesticated hives,” he said. “If native bees vanish, many non-cultivated plants might be threatened too – of which meadows rich in flowers and lovely orchid types are just a couple of instances.”
15 varieties of bumblebee species, which play a crucial role in aiding the pollination of peas, beans, peanuts and clover, and 14 species of cellophane bee species, recognized for pollinating trees such as willow trees and red maples, are now listed as threatened. Simpanurgus phyllopodus, a mining bee type found only in the European continent and the single type of this genus in Europe, is now classified as critically at risk – the research category nearest to extinction in the wild.
Butterfly types that are exclusively located on high-altitude areas are highly susceptible to global heating as they must ascend higher as their environments become hotter but in the end exhaust available space. In Spain’s southern region, the Nevada grayling and the Andalusian anomalous blue are among over forty percent of species endemic to Europe (solely present in Europe) at risk of extinction.
In the Mediterranean, types such as the severely threatened grayling of Karpathos are endangered by severe dry conditions and fires.
At the same time, in the Arctic Circle, climate change is resulting in the forest boundary to move north by dozens of meters each year, with scrub encroaching on bog and tundra. Higher temperatures also mean reindeer can no more cross the ice to browse Arctic grasslands and prevent them from overgrowing. 8 butterfly varieties are threatened with extinction in this region, including the fritillary of Freyja and the Arctic ringlet.
“The biggest habitat for all these pollinators is grassland rich in flowers and that is disappearing very fast across the European continent because of all these elements,” said one of the lead coordinators of the butterflies assessment. “The positive thing is that so many citizens are concerned now and there’s a lot more consciousness. Under the European Union nature restoration law, all participating nations have to reverse the decrease in pollinators by 2030, and they are going to have to initiate measures. There are land holders who are involved. We hope they can obtain the encouragements that will help them on their way.”
According to the coordinator, there is “readily achievable actions” in terms of steps for pollinators which will not decrease agricultural output – and could improve it – such as growers creating bloom-filled edges around their cultivated areas.
Jessika Roswall, portrayed the protection status of wild bees, butterflies and other pollinators as “critical”.
“Immediate and joint measures is required to address this risk. Together with member states, the European Commission has implemented an Europe-wide observation system for pollinating species based on the EU nature restoration law, which will assist in monitoring our advancement. Now, we need to focus on implementation and collaboration with participating nations to protect our pollinating species,” she said.
The release of the evaluations of bees along with butterflies comes after the initial EU-wide assessment of hoverflies, another essential pollinator group. Published in 2022, it showed that over one-third of all hoverfly species in the European continent were threatened with extinction.
