The total of native bee species in Europe confronting extinction has over doubled during the previous ten-year period, while the total of at-risk butterfly types has almost doubled.
This critical situation for vital pollinating insects was unveiled by scientific assessments for the IUCN red list, which found that at least one hundred seventy-two bee species out of 1,928 were threatened with extinction in the European continent.
The total of butterfly species facing extinction in the European continent has increased 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 declared extinct.
“Beyond their visual charm and cultural value, pollinating insects like bees and butterflies are essential supports for our physical condition, our food supplies and our financial structures – supporting the fruits, veggies and seeds that sustain us,” said the IUCN director general. “The latest assessments of the European red list reveal major obstacles, with threats increasing for butterfly species and crucial wild bee varieties.”
The reasons of the quick recent decreases are the continuing damage or destruction of habitats caused by agricultural intensification and land abandonment, draining wetlands, livestock overgrazing, and the use of chemical fertilisers and pesticides including neonicotinoids. The fragmentation of environments suitable for pollinators greatly increases the threat of extinctions at local level.
Global warming is also revealed to be a primary risk: Fifty-two percent of all endangered butterfly species in the European continent are threatened by the climate change crisis – roughly double the number as a ten years ago.
Nearly nine out of ten of plants that flower in Europe rely on pollination by animals, as stated by Dr Denis Michez. “Sadly, non-managed bee populations are in drastic decline and are not easily replaceable by managed bee colonies,” he said. “If native bees vanish, many non-cultivated plants might be at risk too – of which bloom-filled grasslands and attractive orchid varieties are just a handful of illustrations.”
15 varieties of bumblebees, which have an essential part in pollinating legumes like peas, beans, peanuts and clover, and fourteen varieties of cellophane bees, known for pollinating trees such as willows along with red maples, are now categorized as at-risk. Simpanurgus phyllopodus, a mining bee species exclusive to the European continent and the single type of this biological genus in Europe, is now assessed as critically at risk – the scientific classification closest to disappearance in the wild.
Butterflies that are solely present on high-altitude areas are especially at risk to climate change as they must ascend higher as their environments become more heated but in the end exhaust available space. In Spain’s southern region, the grayling of Nevada and the anomalous blue of Andalusia are among above 40 percent of species endemic to Europe (solely present in Europe) threatened with extinction.
In the Mediterranean area, varieties such as the highly at-risk Karpathos grayling are imperilled by severe drought and wildfires.
At the same time, in the Arctic Circle, climate change is resulting in the tree line to advance northwards by tens of metres each year, with scrub encroaching on bog and tundra. Higher temperatures also mean Arctic deer can no more cross the frozen water to feed on northern grasslands and maintain them clear. 8 butterfly varieties are at risk of extinction in this region, including Freyja’s fritillary and the ringlet of the Arctic.
“The greatest living space for all these pollinating insects is flower-rich grassland and that is vanishing rapidly throughout European nations because of all these elements,” remarked Martin Warren. “The encouraging aspect is that so many citizens are aware now and there’s a lot more awareness. Under the European Union nature restoration law, all member states have to halt the decrease in pollinating species by the year 2030, and they are going to have to initiate measures. There are land holders who are engaged. We hope they can obtain the incentives that will support them on their way.”
As stated by the coordinator, there is “easy opportunities” in terms of steps for pollinating species which won’t reduce food production – and could improve it – such as agricultural producers developing margins rich in flowers around their cultivated areas.
Jessika Roswall, portrayed the conservation status of non-managed bees, butterfly species and other pollinating insects as “dire”.
“Immediate and joint measures is needed to confront this threat. Along with member states, the European Commission has implemented an EU-wide monitoring system for pollinating species based on the European Union nature restoration legislation, which will help to track our development. Now, we need to concentrate on application and collaboration with participating nations to protect our pollinating species,” she said.
The publication of the evaluations of bees along with butterflies is subsequent to the first EU-wide study on hoverflies, another crucial pollinator group. Issued in twenty-twenty-two, it disclosed that over one-third of all hoverfly types in European nations were at risk of extinction.
