Countering the spread of the Asian hornet in Europe

Yellow-legged hornet.
A potentially game-changing approach used by CABI scientists in Switzerland could help populations detect Asian hornet nests and destroy them
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Could better awareness increase the uptake of weed biocontrol in Europe?

"Azolla with the biocontrol agent Stenopelmus rufinasus, a 2mm long weevil from North America"
To increase the uptake of weed biocontrol in Europe, we need more awareness about its benefits and successes New research suggests that greater awareness about the benefits and successes of weed biocontrol is needed in Europe to increase its uptake. Scientists have discovered a knowledge gap between global regions, showing that EU professionals are less…
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Zebra mussels disrupt ecosystems in Europe and North America

zebra mussel cluster
Zebra mussels (Dreissena polymorpha) are fingernail-sized freshwater molluscs that are native to the lakes of south-east Russia. In the last 200 years they have spread to parts of Europe, including Britain and Ireland, and North America.
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Invading Europe’s waterways: the crayfish occupation

An (invasive) signal crayfish, Pacifastacus leniusculus, crossing a road in Oxford.
Crayfish are freshwater crustaceans that can be found in a range of freshwater habitats, from fast-flowing rivers to swamps and ditches. Even in places where they are abundant, they are secretive and not commonly seen, so the ongoing widespread invasion by non-native crayfish species is unknown to many.
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Major invasive pest found for the first time on agricultural land in Europe

Eight oriental fruit flies (Bactrocera dorsalis), considered the world’s worst invasive fruit fly, have been found at two monitoring stations in Italy. Annually, there are several reports of this species being found in infested fruit in France, Switzerland and the UK, and one individual was found in a trap in an Austrian fruit market in…
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CABI scientist helps identify alien species that present greatest threat to European biodiversity

CABI scientist Dr Marc Kenis has joined an international team of researchers who have identified 66 alien species – not yet established in the European Union – that pose the greatest threat to European biodiversity and ecosystems as outlined in a new paper published today in the journal Global Change Biology.
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Breathe easy with biocontrol

One in four people in Europe suffer from hay fever, affecting the quality of life of millions. The average cost of hay fever related diseases amounts to around €600 per patient per year from treatment costs and lost time working. One of the worst offending invasive plants for hay fever sufferers is the North American…
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Why biological control is an important tool to manage problematic invasive species in Europe

Written by Dr Urs Schaffner, head of the Ecosystem Management section at CABI Europe-Switzerland. Over the last few years, biological invasions have become a regular topic in the news. Today the general public is probably better informed about the negative environmental and economic impacts alien invasive species can cause than ever before. However, concern about invasive…
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Controlling the European earwig on the Falklands

Contributed by Norbert Maczey, CABI The European Earwig, Forficula auricularia (order Dermaptera) was recently introduced to the Falkland Islands and has since become locally common in Port Stanley and a number of settlements in both East and West Falkland. Since its introduction this invasive species has caused considerable problems ranging from yield losses in horticulture…
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New European Union IAS Regulation

  Invasive alien species are a major threat worldwide, impacting upon millions of livelihoods and threatening biodiversity. The situation is worsening, due in no small part to increased global trade and transport. The economic costs of IAS can be vast: worldwide, invasive species are estimated to cost US$1.4 trillion per year – close to 5% of global…
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