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News Headlines

Tackling Ireland’s alien invaders

The Japanese knotweed, rhododendron and giant hogweed are fast becoming household names as these pests continue to invade Irish landscapes. These ill-famed plants are just some of many invasive species causing destruction to Ireland’s ecosystems.

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Patagonia may lose its only native bumblebee due to alien bee invasion

Patagonia's giant bumblebee is now considered endangered due to invasions of alien bee species, according to a new study.Marcelo Aizen, from the Universidad Nacional del Comahue, Argentina, and colleagues from four other countries draw attention to the severe conservation, economic and political ...

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African countries urged to harmonize laws on invasive species

African governments should harmonize their laws to safeguard countries from the invasive species, an expert said on Tuesday. Martha Byanyima, expert on Sanitary and Phytosanitary (SPS) at the Common Market for Eastern and Southern Africa (COMESA), said many countries have experienced devastating ...

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Management Of Invasive Plants Could Prevent Spread Of Deadly Malaria, Scientists Suggest

CABI scientists have joined an international team of experts who suggest that the large-scale management of a range of some invasive plants could hold the key to reducing the spread of deadly malaria.

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The number of invasive species will only rise — up to 16% of species have invasion potential

Invasive alien species are one of the largest threats to biodiversity. They can become predators, competitors, parasites, hybridizers, and spread diseases, wiping out native species. Examples of notorious invaders are the brown tree snakes that ate away almost all of the birds on the island of G ...

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Alien honeybees could cause plant extinction

New research indicates that introduced 'alien' honeybees are competing for resources with native bees and threatening the survival of plants that rely on interactions with specific pollinators.

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Sugar glider couple escape conviction

The maximum penalty for importing a live animal without a licence is $500 or six months in jail, while importing an alien species carries a top penalty of a whopping $500,000 fine or four years in jail, which the magistrate said reflected the serious regard legislators have for the threat from i ...

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Emerging aliens threaten New Zealand’s environment

Professor Hulme was part of a large international collaboration of scientists that analysed 46,000 recorded sightings of invasive animal and plant species around the world. Their research showed that one in every four new pest incursions were from species that had never before been recorded as b ...

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Foreign’ species invasions rising globally: study

Up to 16 percent of all species on Earth could qualify as potential ‘foreign’ species. The number of newly emerging alien species continues to rise, posing a significant challenge to biosecurity interventions worldwide, according to a study. Alien species are those that do not belong to a region ...

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New global registry of invasive species is 'milestone' in protecting biodiversity

A world registry of invasive species has been launched amid concerns that governments are not doing enough to tackle the rising threat of globalisation to biodiversity.

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A race against pine: Wood-boring wasp in North America threatened by a Eurasian invader

Invasive species have diverse impacts in different locations, including biodiversity loss, as a result of native species being outcompeted for similar resources. A U.S. research team, led by Dr. Ann Hajek, Cornell University, studied the case of an aggressive Eurasian woodwasp that has recently ...

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Opinion: Invasive species — the hidden threat to sustainable development

In laying out the Sustainable Development Goals, the international community set itself an ambitious set of targets to achieve by the end of the next decade. But the challenge of realizing the 17 SDGs means that development organizations often only focus on supporting the operationalizing of a p ...

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Invasive worms spreading in Arboretum forests, limited effects so far

When researchers found invasive Asian jumping worms at the University of Wisconsin–Madison Arboretum in 2013, they spotted an opportunity to follow the invaders, and their effects, from the beginning.In a recent report, UW–Madison ecologists found that the exotic earthworm species are rapidly di ...

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How invasive weeds can make wildfires hotter and more frequent

Over the past year the global media has been full of reports of catastrophic fires in California, the Mediterranean, Chile and elsewhere. One suggested reason for increases in catastrophic wildfires has been human-induced climate change. Higher temperatures, drier weather and windier conditions ...

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Zoological Survey of India compiles a list of 157 alien invasive species for the first time!

These invasive animal species pose a threat to the biodiversity of the area and human welfare and safety, also harming the agriculture and biodiversity.


69th meeting of the CITES Standing Committee.

27 November - 1 December 2017, Geneva, Switzerland

News Headlines

Time key to saving fynbos from pine invaders

For thirty years‚ they lie there beneath the soil‚ waiting for the aliens to leave. But if it takes any longer than that for the aliens to disappear‚ they will soon die and be lost forever. It may sound like the premise for a Stephen King novel‚ but it's actually about one of the Western Cape's ...

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The rise of invasive species denialism

Recently, dozens of opinion articles have appeared in the media—and even in scientific journals—that deny the risks that invasive species pose to the environment. These arguments claim that the field of invasion biology is biased and unscientific.

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World’s most invasive alien flat worm surfaces near Bangkok’s eastern outskirt

One of the world’s list of 100 worst invasive alien species known as the New Guinea flatworm, or scientifically called Platydemus manokwari, has been found on the soil of Lamlukka district of Pathumthani, in Bangkok’s eastern outskirt.

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How far do invasive species travel?

Around the globe, an increasing number of plant and animal species are introduced into new regions through human activity. However, the global patterns of their distribution are only poorly understood to date. Researchers at the Senckenberg and at the universities of Oldenburg and Vienna have no ...

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A prioritised list of invasive alien species threatening the UK's environment

More species urgently need to be considered for inclusion on the EU's 'List of Invasive Alien Species of Union Concern', stresses a new study published on 3 October 2017 in the Journal of Applied Ecology.

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Red crayfish invasion in Malta ‘spreading like hell’, biologist warns

The release of red crayfish in the Maltese wild is wreaking havoc, a biologist has warned, as scientific opinion prepares to declare an ‘invasion’ in a bid to guide environmental authorities on the problem.

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U.S. states target invasive mute swans

Citing threats to native wildlife, plants and unwary humans, six states now have swan-removal policies that range from egg-shaking to shooting.

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Great Lakes Defenders Have a Shocking Idea to Stave Off Invasive Carp

Since the 1970s invasive Asian carp have steadily migrated north into the U.S. Midwest, infesting the watersheds of the Mississippi, Missouri and Illinois rivers. The voracious bottom-feeders can strip entire river ecosystems of zooplankton, the basic food of native fish species—and now they see ...

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Jamaica taking action against invasive alien species

KINGSTON, Jamaica (JIS) — Chief Technical Director in the Ministry of Economic Growth and Job Creation, Lieutenant Colonel Oral Khan, says Jamaica is taking action to protect the country's biodiversity against the threat of invasive alien species.

News Headlines

South Africa: Invasive Plants Have a Much Bigger Impact Than We Imagine

Most people would agree that invasive plants are unwanted. Invasive plants are plants that are intentionally or accidentally introduced by humans into areas outside of their natural habitat. These species can spread rapidly with negative consequences for native species.

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Invasive plants have a much bigger impact than we imagine

Most people would agree that invasive plants are unwanted. Invasive plants are plants that are intentionally or accidentally introduced by humans into areas outside of their natural habitat. These species can spread rapidly with negative consequences for native species.

News Headlines

Snapping-turtle expert in Chiba leads battle against invasive species

Takeshi Imazu’s daily tasks are far from what a typical prefectural official handles.For more than half of the week, he goes out to the Inbanuma marsh of Chiba Prefecture either to capture or study snapping turtles, a freshwater species that threatens local biodiversity.

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Day of reckoning for marine invaders

For centuries, marine species have moved around either by hitching ride on the hulls of ships or as stowaways in ballast water. In many instances, species have been deliberately introduced for aquaculture or other commercial purposes.

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Sea urchins—from pest to plate

It is one of the most valued seafood products and destroys kelp forests worth millions of NOK. Can sea urchin harvest be profitable? This is the subject of a project led by the Norwegian Institute of Water Research (NIVA). The project is part of a research program at The Fram Centre in Tromsø.

Action by

REMINDER: Submission of Information on Invasive Alien Species Management

Reference: SCBD/SPS/DC/PD/JSH/FS/86387 (2017-074)
To: CBD National Focal Points, SBSTTA Focal Points, Inter-Agency Liaison Group on Invasive Alien Species, World Customs Organization, indigenous peoples and local communities, other relevant organizations and partners

pdf English 
News Headlines

Scientists develop ranking system to scale the impact of alien species

A transparent ranking system for measuring the socio-economic impact of plants and animals that are introduced by humans to areas where they do not naturally occur (termed "aliens") has been developed by an international team of scientists, from UCL, Université de Fribourg and Stellenbosch Unive ...


Twenty-third meeting of the Plants Committee (CITES)

22 - 27 July 2017, Geneva, Switzerland

News Headlines

Shale gas development spurring spread of invasive plants in Pa. forests

Vast swaths of Pennsylvania forests were clear-cut circa 1900 and regrowth has largely been from local native plant communities, but a team of researchers in Penn State's College of Agricultural Sciences has found that invasive, non-native plants are making significant inroads with unconventiona ...

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Sumitomo Chemical to offer Esteem fire ant agent in Japan

Sumitomo Chemical Co. said Thursday it will provide the central and local governments in Japan with a pest control agent it sells in the United States to get rid of venomous fire ants.

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Eradicating invasive species is essential for island conservation

Invasive alien species have been discussed at length for the first time in the northern hemisphere in a conference bringing together world experts in the field.

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Japanese seaweed is welcome invader on US coasts: study

Miami (AFP) - A kind of Japanese seaweed that is considered an invasive species in the United States is actually serving an important role in restoring barren and vulnerable coastlines, US researchers said Monday. In many lagoons and estuaries of the North Atlantic, native seagrasses and oyster ...


Twenty-ninth meeting of the Animals Committee (CITES)

18 - 22 July 2017, Geneva, Switzerland

News Headlines

South Africa Should Sort Out the Bad From the Really Bad On Its Invasive Species List

Alien species have been introduced to Africa for a variety of reasons. They provide food, raw materials for industry, ornamental plants, recreation in the form of sport fishing, hunting and pets. Some that are highly valued have been moved around widely. And in some areas they now form prominent ...

Action by

R E M I N D E R : Call for nominations of participants in the capacity-building workshop for Caribbean small island developing States towards achieving Aichi Biodiversity Target 9, 18 – 22 September 2017, Kingston, Jamaica

Reference: SCBD/SPS/KG/JSH/FS/86004 (2017-062)
To: CBD National Focal Points of Antigua and Barbuda, Bahamas, Barbados, Belize, Cuba, Dominica, Dominican Republic, Grenada, Guyana, Haiti, Jamaica, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Suriname, Trinidad and Tobago.

pdf English 
News Headlines

Waterbirds threatened by invasive carp

The presence of the carp, a freshwater invasive species spread worldwide, is alarmingly reducing the populations of diving ducks and waterbirds, according to a study published in the journal Biological Conservation by Alberto Maceda Veiga from the University of Barcelona and Raquel López and And ...

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Strengthened checks needed to keep fire ants from slipping through cracks

To prevent fire ants from breeding in Japan, it is vital that surveillance be stepped up at border entry points such as airports and ports, and that any ants found be thoroughly exterminated.

News Headlines

Alien crayfish found in Chadwick Lakes, research group laments of consequences

The University-based Conservation Biology Research Group has confirmed the presence of the an invasive alien fresh water species, the red swamp crayfish, at Chadwick Lakes, while warning of the implication it has for biodiversity.

Action by

Submission of Information on Invasive Alien Species Management

Reference: SCBD/SPS/DC/JSH/FS/86387 (2017-056)
To: CBD National Focal Points, SBSTTA Focal Points, Inter-Agency Liaison Group on Invasive Alien Species, World Customs Organization, indigenous peoples and local communities, other relevant organizations and partners

pdf English 
News Headlines

Emerald ash borer risks infesting trees on Mount Royal, Projet Montréal charges

A green oasis in the city of Montreal is at risk of being ravaged by an invasive species and decimating thousands of trees, the city's official opposition said Wednesday.

News Headlines

Biodiversity and Human Health Benefit from Invasive Species Removal

Invasive species removal could reduce, and in some cases potentially eliminate diseases affecting human communities on islands.

News Headlines

Hawaii is a hotspot for alien species

Sorry, not those aliens.A new study published in Nature Ecology & Evolution points to the Hawaiian Islands as a global hotspot for "established alien species," or invasive breeds of plants, animals, and insects. So although when we picture the Big Island we may conjure its iconic giant sea turtl ...

News Headlines

Invasive plants hurt wildlife, ecosystem

A new research shows that invasive alien plant species introduced as ornamental plants at tourism facilities are spreading rapidly throughout the Serengeti-Mara ecosystem, posing a major threat to plant and animal species. Scientists from the Centre of Agriculture and Bioscience International, C ...

News Headlines

Invasive Alien Species on Islands

Invasive alien species are the major threat to islands by most metrics, and two open access papers published this week highlight this threat in different ways. In Nature Ecology and Evolution Wayne Dawson and colleagues identify global hotspots of alien species richness, and find islands and coa ...

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Researchers from Durham University performed an extensive analysis of invasive species in the world, and identified the top three places where they have established their populations. These hotspots of alien species are the Hawaiian Islands, the North Island in New Zealand, and the Lesser Sunda ...

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Islands, mainland coastal regions hotspots for invasive alien species: study

Isolated islands and coastal regions of continents are most likely to become hotspots for invasive alien plants and animals, as these areas have major points of entry like ports, a research said.

News Headlines

Means of preventing wildebeest migration established

According to new research, scientists found that a number of invasive alien plant species initially introduced as ornamental plants at tourism facilities are now spreading rapidly throughout the Serengeti-Mara ecosystem, posing a major threat to wildlife, including the annual wildebeest and zebr ...

News Headlines

Global hotspots for alien invasions revealed

Great Britain is in the top 10% of areas for harbouring alien species, according to a study.Animals that have moved in from afar include the grey squirrel, rose-ringed parakeet and the noble false widow spider.

News Headlines

Inside Australia’s War on Invasive Species

The Australian government unleashed a strain of a hemorrhagic disease virus into the wild earlier this year, hoping to curb the growth of the continent’s rabbit population

News Headlines

Invasive alien plant control assessed for the Kruger National Park in South Africa

Along with urban and agricultural encroachment and pollution mitigation, managing invasive alien species is a key intervention needed to protect biodiversity. Unfortunately, on a global scale there are not enough funds to meet the requirements for effective conservation everywhere, which means t ...

News Headlines

Can We Really Eat Invasive Species into Submission?

LAS PEÑITAS, Bolivia—Before he’d ever seen a paiche, fish trader Eric Salazar had heard the giant Amazonian fish could grow up to 10 feet long, weigh 400 pounds and eat a man whole. The paiche, or Arapaima gigas, is the world’s largest scaled freshwater fish.

Action by

Call for the nomination of participants in the capacity-building workshop for the small island developing States of the Caribbean region towards achieving Aichi Biodiversity Target 9, 18 - 22 September 2017, Kingston, Jamaica

Reference: SCBD/SPS/DC/JSH/VA/86004 (2017-042)
To: CBD National Focal Points of Antigua and Barbuda, Bahamas, Barbados, Belize, Cuba, Dominica, Dominican Republic, Grenada, Guyana, Haiti, Jamaica, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Suriname, Trinidad and Tobago

pdf English 
News Headlines

Trojan fish': Invasive rabbitfish spread invasive species

he mystery of how some invasive species may rapidly invade and spread in the world's oceans without assistance by marine traffic may have been partly solved by a new Mediterranean Sea study. Red Sea rabbitfish invaded the Mediterranean through the Suez Canal in the 20th century. Soon after, more ...

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Spying on suckers: Volunteers track migrations of native Great Lakes fish

Grreat Lakes fish stories can be downright scary.Pollution dumped by industries and cities make some fish unsafe to eat. Invasive species spread by cargo ships decimate yellow perch, lake trout and other native fish. Warmer water in a changing climate triggers algae blooms that create oxygen-dep ...

News Headlines

Researchers find significant increase of invasive seaweed changing sea habitat

Walking along the beaches of New England, it is easy to spot large amounts of a fine red seaweed clogging the coastline, the result of sweeping changes in the marine environment occurring beneath the water. To further investigate, researchers at the University of New Hampshire looked at seaweed ...

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Invasives and Natives: Peanuts and a proudly South African export

WITH its distinctive brown and yellow flowers and its habit of crowding out the locals along our riverbanks and road verges, the peanut butter cassia is easy to spot.Formally addressed as Senna didymobotrya and a member of the extensive legume or Fabaceae family, its common name comes from the f ...

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Scientists scan horizon for future invasive species challenges

Shipping and mining in the Arctic. The spread of invasive microbial pathogens around the world. Changing agricultural practices. Use of genomic-modification tools.

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Scientists suggest the world should brace itself for a new wave of biological invasions

We are all becoming increasingly familiar with the impacts of invasive species. Knotweed from Japan can destroy building foundations, zebra mussels from eastern Europe can clog-up drinking water pipes, and an Asian fungus is causing ash tree die-back in our forests. Now an international team of ...

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Why invasive plants love climate change

America is under attack by a group of bad actors with deceptively innocent names. Their roles could have been written for a bizarre science-fiction movie.

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Scientists turn to robots to battle invasive species

WASHINGTON -- A robot zaps and vacuums up venomous lionfish in Bermuda. A helicopter pelts Guam's trees with poison-baited dead mice to fight the voracious brown tree snake. A special boat with giant winglike nets stuns and catches Asian carp in the U.S. Midwest.

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Red Sea Resort Town Eilat Invaded by Notorious Sea Squirts That Could Harm Coral

Eilat is home to Israel’s one and only coral reef, which is quite the tourism magnet

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Can we eat our way out of the lionfish invasion?

Yes, say chefs and conservationists. But only if traps or robots can bring in more lionfish from depths divers can't reach.

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Into the DNA of a coral reef predator

Researchers have sequenced and decoded for the first time the genome of the crown-of-thorns starfish, paving the way for the biocontrol of this invasive predator responsible for the destruction of coral reefs across Indo-Pacific oceans.

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The ornamental plant that grew to ravage waterbodies

It has done to waterbodies what s eemai k aruvelam (Prosopis juliflora) did to Tamil Nadu’s lands. Ipomea carnea, also known as Neyveli ka atamanakku has clogged every waterbody in the State and proved detrimental to its aquatic ecosystems.

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Scientist details the indirect effects of an invasive species in guam

The indirect impacts invasive species can have in an ecosystem, new research confirms. This study focused on the brown treesnake, whose introduction to the forests of Guam has led to difficulties for local tree species to reproduce.

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Invasive snakes threaten forests on Pacific island of Guam

Brown tree snakes, which have wreaked havoc among bird populations on the Pacific island of Guam, may also be damaging the forests.

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Highlighting forests' vulnerability to invasive species

[KUALA LUMPUR] After habitat destruction, invasive alien species are the second biggest threat to biodiversity worldwide. They have a significant impact on livelihoods and the economy, with losses from the impact on all ecosystems on a global scale estimated at USD$1.4 trillion a year.

News Headlines

Invasive, native marsh grasses may provide similar benefits to protected wetlands

An invasive species of marsh grass that spreads, kudzu-like, throughout North American wetlands, may provide similar benefits to protected wetlands as native marsh grasses.

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African Countries Mobilize to Battle Invasive Caterpillars

The fall armyworm has rapidly spread across the continent and is wreaking destruction on staple crops

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Red squirrels: 5,000 volunteers sought to save species – and help kill invasive greys

Wildlife Trusts’ biggest-ever recruitment drive will see volunteers monitor populations, educate children – and bludgeon grey squirrels to death

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Discovery of ‘invasive species gene’ prompts Japanese zoo to cull 57 monkeys

A city in Chiba Prefecture has culled 57 monkeys at a zoo after finding they were cross-breeds of Japanese monkeys and rhesus macaques, which have been designated as an invasive alien species in the country and apparently pose a threat to the natural environment.

News Headlines

Invasive species on the rise globally

The number of alien species is increasing globally, and does not show any sign of saturation, finds an international team involving UCL researchers.

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B.C.'s invasive species warriors tackle turtles, knotweed, climate change and critics

Irish expert offers tools to help weed out destructive invaders from bullfrogs to hogweed

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Taming ornamental plant invasion in Kenya

In this video, scientists and local people explain the dangers of Opuntia stricta, an invasive cactus weed covering large tracts of land in Kenya’s semi-arid Laikipia County, and efforts in place to tame its spread and adverse impacts.

News Headlines

Taming ornamental plant invasion in Kenya

In this video, scientists and local people explain the dangers of Opuntia stricta, an invasive cactus weed covering large tracts of land in Kenya’s semi-arid Laikipia County, and efforts in place to tame its spread and adverse impacts.

News Headlines

Fall armyworm 'threatens African farmers' livelihoods'

Scientists are calling for urgent action to halt the spread of a pest that is destroying maize crops and spreading rapidly across Africa.

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Plants emit different odors when eaten by invasive species

"The plants may not have a nervous system, eyes, ears, or mouths, but they are capable of determining who is attacking them," explained researcher Nicole van Dam

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Restoring native plants 'boosts pollination'

Removing invasive exotic plants from natural areas can act as a boost for wildlife, a study suggests.

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44 invading species 'loose' in North Atlantic, study shows

Accidental introductions of non-native species has been of increasing concern since the 1980s when human-mediated transportation, mainly related to ships' ballast water, was recognised as a major route by which species are transported and spread.

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Invasive sedge protects dunes better than native grass, study finds

An invasive dune plant has an advantage over its native counterpart: the invasive is better at preventing erosion of dunes during big storms, report investigators.

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Invasive Fern In Florida Threatens To Take Down More Than Just Trees

LeRoy Rodgers spends plenty of time in the Florida Everglades — mainly in airboats. He works for the South Florida Water Management District.

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Bioinvasion is jeopardizing Mediterranean marine communities

Non-indigenous organisms introduced through the Suez Canal are causing irreversible damage, say researchers

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Zimbabwe: Armyworm Invasion Spells Disaster

AN invasion by fall armyworm (FAW) into the country's seven farming provinces could devastate an otherwise promising maize crop, more so as it emerged this week that there are no proper chemicals to control the pest.

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Southern African maize munching pest is South American invader: experts

A maize pest that has devastated crops in southern Africa is a South American species which is harder to detect and eradicate than its African counterpart, agriculture officials and experts said on Tuesday.

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Invasive Species: Entomology’s Role in a Multisector Mission

The National Invasive Species Council’s Secretariat ended 2016 with a series of accomplishments that will place the federal government’s future work to address invasive species on solid footing.

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