The number of wild bee types in European nations facing extinction has more than doubled over the past decade, while the number of at-risk butterfly types has almost doubled.
This pressing issue for essential pollinating species was disclosed by research studies for the International Union for Conservation of Nature (IUCN) red list, which determined that at least 172 bee species out of nearly two thousand were threatened with extinction in the European continent.
The total of butterfly species at risk of extinction in Europe has grown from 37 to 65 since the previous assessment, carried out 14 years ago. One species, the Madeiran large white (Pieris wollastoni) has now been declared extinct.
Apart from their beauty and cultural significance, pollinating insects like bees and butterfly species are crucial elements for our well-being, our food chains and our financial structures – supporting the fruits, vegetables and seeds that sustain us,” said the IUCN director general. “The most recent European red list assessments reveal significant difficulties, with dangers increasing for butterflies and essential wild bee species.”
The causes of the quick recent decreases are the persistent harm or degradation of living environments caused by agricultural intensification and land abandonment, wetland drainage, excessive grazing by animals, and the use of chemical fertilisers and pesticides including neonicotinoid pesticides. The breaking up of habitat friendly to pollinators significantly raises the threat of local extinctions.
Climate change is also shown to be a primary risk: Over half of all endangered butterfly species in European nations are threatened by the climate emergency – about double the number as a previous decade.
Up to ninety percent of flowering plants in the European continent rely on pollination by animals, as per the wild bee assessment’s lead coordinator. “Regrettably, native bee populations are in sharp decrease and are not easily replaceable by managed colonies,” he said. “If non-managed bees disappear, many native plants might be in danger as well – of which meadows rich in flowers and beautiful orchid species are just a handful of illustrations.”
Fifteen species of bumblebee species, which play a crucial role in fertilizing legumes like peas, beans, peanuts and clover, and 14 types of cellophane bee types, recognized for aiding tree pollination such as willows along with red maples, are now classified as threatened. Simpanurgus phyllopodus, a mining bee exclusive to the mainland and the only species of this biological genus in the European continent, is now evaluated as critically at risk – the scientific classification nearest to dying out in natural habitats.
Butterflies that are solely present on high-altitude areas are especially at risk to climate change as they have to climb upward as their habitats become warmer but eventually exhaust available space. In the southern part of Spain, the Nevada grayling and the Andalusian anomalous blue are among above 40 percent of species endemic to Europe (only found in Europe) at risk of extinction.
In the Mediterranean, varieties such as the critically endangered Karpathos grayling butterfly are imperilled by severe drought and wildfires.
Meanwhile, in the Arctic region, climate change is leading to the forest boundary to move north by dozens of meters each year, with scrub encroaching on wetlands and tundra. Warmer conditions also mean reindeer can not anymore cross the ice to graze Arctic grasslands and maintain them clear. 8 butterfly varieties are at risk of extinction in this zone, including the fritillary of Freyja and the Arctic ringlet butterfly.
“The greatest environment for all these pollinators is flower-rich grassland and that is vanishing rapidly in Europe because of all these factors,” remarked one of the lead coordinators of the butterflies assessment. “The encouraging aspect is that so many citizens are concerned now and there’s a lot more understanding. Under the EU nature restoration legislation, all participating nations have to halt the decline in pollinating insects by 2030, and they are going to have to start doing something. There are land holders who are engaged. Let’s hope they can obtain the incentives that will assist them on their way.”
As stated by the coordinator, there is “low-hanging fruit” in terms of steps for pollinating species which will not decrease crop yields – and might boost it – such as growers establishing flower-rich margins around their cultivated areas.
Jessika Roswall, characterized the protection status of non-managed bees, butterfly species and other pollinating insects as “critical”.
“Prompt and unified steps is required to confront this danger. Together with participating nations, the European Commission has implemented an European Union-wide monitoring system for pollinators based on the European Union nature restoration legislation, which will assist in monitoring our advancement. Now, we need to focus on application and cooperation with member states to preserve our pollinators,” she said.
The issuance of the evaluations of bees along with butterflies follows the pioneering EU-wide study on hoverflies, an additional essential pollinator group. Issued in twenty-twenty-two, it disclosed that 37% of all hoverfly types in European nations were at risk of extinction.
