Invasive Species
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Invasive Species: Ecological, Economic, and Social Impacts
Invasive species are organisms introduced beyond their historical geographic ranges that establish populations and cause ecological, economic, or social harm. Human travel, international trade, shipping, agriculture, horticulture, aquaculture, the pet trade, and deliberate introductions have greatly accelerated the movement of organisms across natural geographic barriers.
The consequences can extend far beyond the location where an invasive species first becomes established. Introduced plants, animals, insects, fungi, pathogens, and aquatic organisms can alter food webs, nutrient flows, habitat structure, wildfire regimes, agricultural production, fisheries, water systems, and interactions among native species.
Modern invasion science increasingly treats biological invasions as part of a larger network of environmental change. Climate warming, altered precipitation, drought, wildfire, habitat disturbance, expanding shipping networks, and changing patterns of land use can all influence where introduced organisms are able to survive and spread.
Global Ecological and Economic Impacts
Biological invasions have become a significant global driver of ecological change. Invasive organisms can compete with native species, prey upon them, introduce disease, alter habitat, disrupt mutualistic relationships, and transform ecosystem processes.
The effects may also cross ecosystem boundaries. Changes caused by an invader in a lake, river, forest, grassland, or coastal environment can influence neighboring ecosystems through movements of nutrients, organisms, water, chemicals, or other materials.
The economic consequences are likewise substantial. Research summarized in the collected material documents hundreds of billions of dollars in reported damages associated with invasive species. Agriculture, forestry, fisheries, infrastructure, tourism, and natural-resource management can all experience significant losses.
Some analyses suggest that documented costs substantially underestimate the actual economic burden because many invasions are poorly monitored and many ecological and social effects never receive a monetary valuation.
Climate Change and the Expansion of Biological Invasions
Climate change is making invasive-species management more complicated. Warmer temperatures can allow organisms to survive in regions that were previously too cold, while changing rainfall, drought, storms, and wildfire can create disturbed environments where invasive species may become established more easily.
Warming oceans are especially important. Rising marine temperatures can enable tropical and subtropical organisms to move into new regions, while increased shipping provides additional opportunities for species to cross natural barriers.
The Mediterranean illustrates this interaction. Warming waters and movement through the Suez Canal have facilitated the spread of lionfish, rabbitfish, pufferfish, blue crabs, and numerous other species that are changing fisheries and marine ecosystems.
Climate change can also blur the traditional distinction between native and introduced organisms. Native species themselves are shifting their ranges as temperatures change, raising difficult questions about how conservation managers should define historical ecosystems and future restoration goals.
Scientists have consequently proposed "climate-smart invasive species management," which attempts to anticipate future species distributions, changing disturbance patterns, treatment effectiveness, and new pathways of invasion.
Pathways, Prevention, and Biosecurity
Most modern biological invasions are closely connected to human activity.
Commercial shipping can transport organisms in ballast water or attached to hulls. Boats and recreational equipment can move aquatic organisms between lakes and rivers. Imported flowers and ornamental plants can carry insects, frogs, reptiles, fungi, and plant diseases. Aquarium releases and discarded pets can establish populations in the wild.
Marine debris can also act as a biological raft, transporting attached organisms across oceans.
Because eradication becomes increasingly difficult once an invasive species is widespread, prevention is generally considered one of the most effective forms of invasive-species management.
Biosecurity programs therefore emphasize measures such as:
- inspecting imported plants, animals, cargo, and watercraft;
- treating ballast water;
- cleaning boats, footwear, tools, and outdoor equipment;
- limiting the movement of firewood and contaminated soil;
- regulating high-risk species;
- monitoring likely introduction pathways;
- educating the public about releasing pets and aquarium organisms; and
- detecting new populations while they remain small.
International and national conservation strategies increasingly place prevention, early detection, and rapid response at the center of invasive-species policy.
Detection, Technology, and Early Response
Modern detection methods are improving the ability of managers to locate invasive organisms before populations become widespread.
Environmental DNA, or eDNA, is one of the most important emerging tools. Organisms leave traces of genetic material in water and other environments. Scientists can analyze these traces to detect species even when individuals are too rare to find through conventional surveys.
In one example included in the collected material, eDNA surveillance detected New Zealand mudsnails at extremely low abundance in an Arizona fish hatchery, allowing managers to eliminate the infestation before it spread.
Detection dogs are also being used to locate organisms or egg masses that are difficult for human observers to find. Researchers have employed dogs in searches for spotted lanternflies and coconut rhinoceros beetles.
Other technologies include DNA metabarcoding, predictive modeling, artificial intelligence, acoustic monitoring, automated traps, environmental sensors, and underwater robotic mapping.
Citizen science provides another potentially powerful early-warning system. Observations submitted by members of the public can alert researchers and biosecurity agencies when unusual organisms appear in new locations.
Aquatic and Marine Invasive Species
Freshwater and marine ecosystems are especially vulnerable because rivers, canals, boats, ports, aquaculture, and international shipping provide extensive pathways for biological movement.
Zebra and quagga mussels demonstrate how invasive aquatic organisms can transform ecosystems while creating major infrastructure costs. Dense mussel populations can cover pipes and other structures while filtering enormous quantities of water and reorganizing aquatic food webs.
European green crabs are another major concern. Their expanding distribution threatens eelgrass beds, shellfish, juvenile fish, native crabs, and fisheries.
Lionfish have become prominent invasive predators across parts of the western Atlantic and Caribbean. Their rapid reproduction, broad diet, and limited natural predation allow them to place substantial pressure on native reef communities.
Aquatic invasive-species management increasingly emphasizes watershed-scale cooperation because biological populations do not follow political borders.
Forests, Agriculture, and Terrestrial Ecosystems
Terrestrial invasions can transform forests, grasslands, agricultural landscapes, and urban environments.
The emerald ash borer has killed enormous numbers of ash trees across North America and continues to expand into new regions. Monitoring programs attempt to identify newly invaded counties and protect urban and natural forests before tree mortality becomes widespread.
Spotted lanternflies illustrate the risks to agriculture. Large populations can damage grapevines and other plants, creating concerns for vineyards and regional agricultural economies.
Feral swine are among the most destructive invasive mammals in North America. They damage crops through rooting and feeding, degrade water quality, disturb soils, compete with wildlife, prey on native species, and create risks for livestock and human health.
Invasive plants can be equally transformative. Some alter fire regimes, water availability, soil chemistry, forest regeneration, or habitat structure. Others may remain relatively inconspicuous for decades before rapidly expanding, creating what researchers describe as ecological "time bombs."
Ecological Cascades and Unexpected Effects
The consequences of biological invasions are not always simple or predictable.
Research in Kenya provides a striking example. Invasive big-headed ants can eliminate native acacia ants that defend trees from elephants. Increased elephant damage changes vegetation structure, which can then influence how lions hunt zebras and other prey.
Other invasions produce equally complex interactions. Invasive caterpillars may cause trees to increase chemical defenses, unintentionally reducing food quality for native insects.
In some circumstances, invasive organisms can even create limited benefits for particular native species. Research from Oneida Lake suggests invasive quagga mussels may indirectly contribute to the recovery of mayflies.
Such examples do not eliminate the broader risks associated with biological invasions, but they demonstrate why ecological consequences must be studied rather than assumed.
Human Communities and Social Effects
Invasive species are increasingly being examined not only as ecological problems but also as social and economic forces.
Invasive plants can reduce grazing land, agricultural production, fisheries, transportation access, and water availability. Where communities depend directly on natural resources, these pressures can contribute to economic hardship and even human displacement.
Kenya provides several important examples. Introduced mesquite has spread across extensive rangelands, creating difficulties for pastoral communities and livestock. Invasive cactus has also damaged grazing areas, although community-led biological control programs have demonstrated promising results.
Some introduced organisms eventually acquire cultural or economic importance, complicating decisions about eradication. A species may be ecologically damaging while simultaneously becoming valued for food, aesthetics, recreation, or local identity.
Effective invasive-species policy therefore increasingly considers ecological, economic, health, cultural, and social consequences together.
Management, Biological Control, and Restoration
Once an invasive species becomes established, managers may use physical removal, trapping, pesticides, herbicides, habitat modification, biological control, or combinations of these techniques.
Biological control introduces carefully studied natural enemies—such as specialized insects, pathogens, or fungi—to suppress invasive organisms. Successful programs can reduce invasive populations over large areas, but biological-control organisms must be rigorously evaluated to minimize unintended effects on native species.
Management increasingly focuses on integrated approaches rather than a single control technique.
For example, restoration programs may combine invasive predator control, weed removal, habitat restoration, monitoring, and reintroduction of native species.
Native ecosystem restoration can itself reduce vulnerability to future invasions. Healthy native vegetation can occupy ecological space that might otherwise be exploited by introduced organisms while improving soil stability, habitat quality, and watershed function.
National Parks and Protected Areas
Protected areas are not insulated from biological invasion.
National parks across the United States manage invasive plants, insects, mammals, aquatic organisms, and pathogens. Tamarisk, Russian olive, cheatgrass, invasive mussels, feral swine, Burmese pythons, fire ants, invasive mosquitoes, and other species can threaten ecosystems that parks were established to conserve.
Monitoring programs increasingly concentrate on roads, trails, waterways, visitor centers, transportation corridors, and other locations where introduced organisms are most likely to arrive.
The "invasion curve" used by conservation agencies illustrates a central management principle: eradication is most feasible and least expensive when a new population is discovered early. Once a species spreads across a landscape, management usually shifts from eradication toward containment or long-term population control.
Global Cooperation and Future Management
Biological invasions are inherently international. Species move through global trade networks, shipping routes, tourism, agricultural markets, ornamental-plant industries, and interconnected waterways.
National programs in the United States, Canada, Australia, Europe, and other regions increasingly combine scientific monitoring, regulation, public education, risk assessment, early detection, and rapid response.
Global biodiversity strategies also call for substantial reductions in the rate at which invasive alien species are introduced and established.
Future management will require anticipating new threats rather than merely reacting to existing ones. Horizon scanning, climate modeling, genetic detection, citizen science, international data sharing, and improved pathway regulation will become increasingly important.
Conclusion
Invasive species demonstrate how closely modern ecosystems are connected to human transportation, commerce, land use, and climate change.
Their impacts can range from the disappearance of native organisms to altered food webs, damaged crops, clogged infrastructure, transformed forests, disrupted fisheries, and economic hardship for human communities. In some cases their effects spread through ecological networks in surprising ways that are difficult to predict in advance.
The accumulated evidence strongly supports a prevention-first approach. Preventing introductions, identifying high-risk pathways, detecting new populations early, and responding before they become widely established are generally more practical than attempting to eliminate an invasive species after it has spread across an entire landscape or watershed.
At the same time, invasion science is becoming more nuanced. Not every introduced organism produces the same effects, and ecological consequences can vary according to location, climate, disturbance, species interactions, and time.
The central challenge is therefore not simply to label organisms as native or foreign, but to understand when biological movement creates serious ecological or social harm and to intervene early enough that effective management remains possible.
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Italic text=== Global Ecological and Economic Impacts ===
This review examines how climate change can enhance plant invasions through warming, altered precipitation, disturbance, biological interactions, and the flexible traits of many invasive plants.
| Edith J. Singini and Nompumelelo C. Baso | South African Journal of Botany | 2025-05
Research in South Africa's Eastern Cape examines how invasive species interact with habitat loss and climate change to increase pressure on threatened plant communities.
| Pengdong Chen et al. | Nature Plants | 2024-09-18
Research along the Yangtze River Valley suggests warming may intensify plant invasions, particularly in colder locations where future temperatures become more favorable to exotic species.
| Ross N. Cuthbert et al. | Global Environmental Change | 2024-07
Biological invasions have imposed more than $600 billion in documented costs on agriculture, fisheries, and forestry since 1970, with agriculture carrying much of the burden.
| Phillip J. Haubrock et al. | Science of the Total Environment | 2024-03-20
Invasive species in urban areas have generated hundreds of billions of dollars in reported costs, with invasive insects responsible for the overwhelming majority of documented losses.
| Tianna Peller and Florian Altermatt | Nature Ecology & Evolution | 2024-03-19
Invasive species can produce ecological effects far beyond the habitat they directly invade by changing flows of organisms, nutrients, chemicals, and other materials between connected ecosystems.
| Ismael Soto et al. | Science of the Total Environment | 2024-02-20
Feral animals that become invasive have generated enormous economic losses worldwide, particularly on islands and in agricultural systems.
| Ross N. Cuthbert et al. | Science of the Total Environment | 2024-01-15
A global assessment estimates that invasive aquatic and semi-aquatic plants have generated tens of billions of dollars in economic costs, while spending on prevention and management remains comparatively small.
| Emily J. Fusco et al. | Trends in Ecology & Evolution | 2024
Climate change is complicating the terminology and management of invasive species as native and introduced organisms shift their ranges in response to rapidly changing environmental conditions.
| Eva M. Colberg et al. | Global Change Biology | 2024
Researchers propose "climate-smart invasive species management" that anticipates changing distributions, disturbances, treatment effectiveness, and future invasion pathways.
Global Assessments, Policy, and Prevention
Australia's environmental agency provides an overview of invasive animals, weeds, diseases, fungi, parasites, marine pests, and the country's environmental biosecurity strategy.
| Directorate-General for Environment | European Commission | 2026-06-25
Research highlighted by the European Commission suggests invasive plants can behave differently and achieve greater productivity outside their native ranges.
| USDA APHIS | U.S. Department of Agriculture | 2026-01-11
USDA explains how international trade, tourism, transportation, released pets, ornamental species, and other human activities move invasive organisms into new environments.
| European Commission | European Commission | 2026
The European Union reviews progress toward preventing invasive species introductions and reducing their impacts on threatened native species under its Biodiversity Strategy for 2030.
Australia recognizes several biological invasions as nationally significant threatening processes capable of driving native species and ecological communities toward extinction.
| IUCN | International Union for Conservation of Nature | 2025-03
IUCN explains how climate change can accelerate biological invasions and argues that prevention, border biosecurity, early detection, and rapid eradication should be central conservation strategies.
| IUCN Species Survival Commission | IUCN | 2025
The IUCN Species Survival Commission reviews international work on invasive alien species, including risk assessment, EICAT impact classification, databases, policy, and implementation of global biodiversity targets.
| NOAA | National Ocean Service | 2024-06-16
NOAA provides a concise introduction to invasive species, including their ecological and economic impacts and common pathways such as ballast water, aquaculture, and aquarium releases.
| Paul J. Heimowitz, Patrick M. Kocovsky and James J. English | U.S. Geological Survey | 2024
This USGS overview describes federal research supporting invasive-species prevention, risk assessment, early detection, containment, monitoring, and control.
| IPBES | Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services | 2023-09
The landmark IPBES assessment reports more than 37,000 established alien species worldwide, including thousands known to cause significant ecological or human harm.
Recent Invasion Science
A global meta-analysis finds that native and introduced megafauna can have broadly similar ecological effects, complicating assumptions that ecological impact can be predicted from origin alone.
| Zhaojun Wang, Zhe Dong, Sarah A. Bailey et al. | Nature Sustainability | 2026-08-18
Researchers model how increasing global shipping could substantially raise future marine invasion risks even as ballast-water treatment becomes widespread.
| Sara Giulia Cazzaniga et al. | Nature Ecology & Evolution | 2026-08-17
Analysis of hundreds of thousands of vegetation plots shows that relationships between non-native plants and mycorrhizal fungi vary strongly among biomes and disturbance regimes.
| Angélica F. Resende et al. | Nature Plants | 2026-07-24
Non-native and invasive trees can be abundant during early regeneration of tropical secondary forests but often decline as native forest recovery proceeds.
| Subiyakto Subiyakto, Sujak Sujak and Rosichon Ubaidillah | Scientific Reports | 2026-07-21
Researchers document two cicada species becoming serious sugarcane pests in Indonesia, illustrating how previously overlooked organisms can emerge as damaging agricultural threats.
| Saddam Saqib | Nature Reviews Biodiversity | 2026-07-14
Research highlighted in Nature Reviews Biodiversity suggests the ecological dangers associated with invasions can accumulate and become more severe over time.
| D. James Harris, Markus A. Roesch and Catarina Rato | Scientific Reports | 2026-07-08
DNA metabarcoding of an introduced lizard on an oceanic island examines how closely its diet resembles that in its continental range and what that means for invasion impacts.
| Mark A. Anthony | Nature Reviews Microbiology | 2026-05-22
An invasive plant's disruption of underground fungal partnerships demonstrates how plant invasions can alter mycorrhizal networks and suppress native tree seedlings.
| Jingrui Sun, Phillip J. Haubrock and Hugh MacIsaac | Nature Reviews Biodiversity | 2026-01-30
The authors argue that freshwater invasive-species policy should be organized around watersheds and biological populations rather than relying primarily on political boundaries.
| Authors in Nature Sustainability | Nature Sustainability | 2025-12-09
Long-term research in India links climate change with accelerating plant invasions and identifies regions where invasive vegetation threatens ecosystems, livelihoods, and tiger habitat.
Detection, Spread, and Social Effects
| CABI | Phys.org | 2026-07-29
Researchers argue that invasive plants and animals can contribute to human displacement by damaging grazing land, fisheries, agriculture, food security, and other natural resources.
| Caroline Link / University of Giessen | Phys.org | 2026-07-27
New research argues that historical research biases have underestimated the scale of invasive-species damage across countries in the Global South.
| Ellen J. Dolan, Jaimie Dick and Ross Cuthbert | Phys.org / The Conversation | 2026-06-08
Removing dams can restore connectivity for native freshwater wildlife but may simultaneously remove barriers that had slowed the movement of invasive species.
| University of Konstanz | Phys.org | 2025-09-08
A study suggests plant species that are abundant or dominant in their native regions may also have characteristics helping them become successful invaders abroad.
| Forschungsverbund Berlin | Phys.org | 2025-06-26
Some introduced species become culturally valued after establishment, creating difficult tradeoffs when ecological management calls for their removal.
| AFP / Phys.org | Phys.org | 2025-05-26
New economic modeling suggests the real financial burden of biological invasions could be many times larger than estimates based only on previously documented costs.
| University of Florida | Phys.org | 2025-02-12
Researchers develop improved environmental-resistance modeling to identify landscapes that are particularly vulnerable to the movement and establishment of invasive species.
| Amy Hinsley and Silviu Petrovan | Phys.org / The Conversation | 2025-01-29
The international ornamental-plant and cut-flower trade can transport frogs, reptiles, insects, fungi, and other organisms far beyond their natural ranges.
| Geoff Egan / CSIRO | Phys.org | 2025-01-16
Citizen-science observations can provide an inexpensive early-warning network capable of alerting biosecurity agencies when potentially invasive organisms appear in new locations.
| University of Vienna | Phys.org | 2024-12-06
Some species regarded as invasive and abundant in introduced ranges are simultaneously declining or threatened within the ecosystems where they originally evolved.
Management and Ecological Responses
| Authors of MF25023 | Marine and Freshwater Research | 2025-02-27
A review of the globally invasive sewage snail Physa acuta assesses its positive and negative effects on ecosystem services across freshwater environments.
| Carla Archibald | Phys.org / The Conversation | 2025-01-07
Efforts to turn invasive rabbits, carp, deer, cane toads, and other organisms into food raise questions about whether commercial harvesting can become a useful management strategy.
| Béatrice St-Cyr-Leroux / University of Montreal | Phys.org | 2024-10-21
Scientists argue that invasive-species control should evaluate ecological, economic, health, and social costs alongside the possible risks created by intervention itself.
| Heather Kharouba | Phys.org / The Conversation | 2024-09-19
Climate-driven range shifts are challenging conventional distinctions among native, introduced, and invasive species and may force managers to reconsider some long-standing goals.
| Anthony Ricciardi | Phys.org / The Conversation | 2024-09-19
Zebra mussels, mystery snails, Eurasian watermilfoil, goldfish, and other invaders illustrate how biological invasions are rapidly reshaping freshwater ecosystems.
| Tribune News Service | Phys.org | 2024-07-20
The detection of invasive mussel larvae in the Colorado River highlights concerns that quagga mussels could spread through additional western waterways and infrastructure.
| Kitta MacPherson / Rutgers University | Phys.org | 2024-06-21
Rutgers researchers discuss how scientists respond to invasive agricultural pests such as brown marmorated stink bugs and spotted lanternflies while considering wider ecological effects.
| Felicia Spencer / Virginia Tech | Phys.org | 2024-04-18
Scientists are testing acoustic monitoring after finding that invasive vegetation can alter the soundscape generated by birds, insects, and other organisms within an ecosystem.
| Kaspar Meuli / EAWAG | Phys.org | 2024-04-04
Biological invasions in lakes, forests, rivers, and coastal habitats can produce cascading impacts in neighboring ecosystems through food webs and material flows.
| Hugh Ratcliffe et al. | Ecology | 2024
Field experiments in northern grasslands indicate that extreme precipitation can promote invasive-species abundance, demonstrating an important interaction between invasion and climate extremes.
Invasive Species in the News
| Reuters | Reuters | 2026-08-11
Warming Mediterranean waters and movement through the Suez Canal are helping lionfish, pufferfish, rabbitfish, blue crabs, and other non-native organisms transform marine ecosystems and fisheries.
| Associated Press | AP News | 2026-07-30
Hundreds of newcomers are spreading through the warming Mediterranean, displacing native species and altering fisheries and coastal ecosystems that developed under historically cooler conditions.
| Guardian environment staff | The Guardian | 2026-07-29
Scientists warn that marine organisms accumulating on stationary commercial vessels could eventually be carried to distant ports and create a major biofouling-driven invasion event.
| Associated Press | AP News | 2026-05-12
Hydrilla is spreading across Colombia's Ciénaga Grande de Santa Marta, clogging waterways and interfering with fishing, transportation, and water access for communities living around the wetland.
| Associated Press | AP News | 2026-02-06
Invasive apple snails and rice-feeding delphacid insects are creating new ecological and financial problems for Louisiana rice and crawfish farmers.
| Helena Horton | The Guardian | 2025-12-24
British scientists are deploying carefully selected insects, fungi, and other biological-control organisms against Japanese knotweed, Himalayan balsam, floating pennywort, and other invaders.
| Phoebe Weston | The Guardian | 2025-12-18
Quagga mussels have transformed Lake Geneva by coating infrastructure, filtering enormous quantities of water, and reorganizing the lake's food web.
| The Guardian | The Guardian | 2025-12-04
Nootka lupins introduced to restore damaged Icelandic soils have spread across large areas, creating a conflict between their visual appeal, soil-building role, and impacts on native biodiversity.
| Diego Menjíbar Reynés | The Guardian | 2025-05-22
Mesquite introduced to Kenya to fight erosion has spread across millions of hectares, degrading rangelands and creating serious problems for pastoral communities and livestock.
| Reuters | Reuters | 2024-10-18
Kenya is attempting to suppress invasive Indian house crows along the coast before the expanding population reaches ecosystems around Nairobi and threatens additional native bird species.
Marine Invasive Species
| NOAA Fisheries | NOAA Fisheries | 2026-03-24
European green crabs have reached Alaska, where managers fear they could damage eelgrass, juvenile salmon, native crabs, shellfish, and economically important fisheries.
| NOAA | National Ocean Service | 2025-02-21
Lionfish, sometimes called turkeyfish, reproduce rapidly and prey on native reef fishes in Atlantic and Caribbean ecosystems where they have few natural predators.
| NOAA Fisheries | NOAA Fisheries | 2025
Lionfish introduced from the Indo-Pacific have become major predators in western Atlantic and Caribbean reefs and compete with native fishes for prey and habitat.
| NOAA | National Ocean Service | 2024
NOAA explains how aquarium releases helped establish Indo-Pacific lionfish in Atlantic waters and why their rapid reproduction and predation threaten reef communities.
| NOAA Fisheries | NOAA Fisheries | 2024
An overview of invasive marine species examines heavily invaded regions including Florida and the Great Lakes and explains why transportation and the ornamental trade create invasion hotspots.
| NOAA Fisheries | NOAA Fisheries | 2023
Increasing vessel traffic and a warming Arctic may expose Alaska to greater risks from invasive aquatic organisms arriving through ballast water, hull fouling, and other pathways.
| NOAA Fisheries | NOAA Fisheries | 2022
Indigenous, state, federal, and scientific organizations are collaborating to detect European green crabs before populations become widely established in Alaskan waters.
| NOAA Fisheries | NOAA Fisheries | 2021
NOAA reviews aquatic invasive species affecting the U.S. West Coast and the roles played by boats, marine debris, aquaculture, aquarium releases, and other transport pathways.
| NOAA Office of National Marine Sanctuaries | NOAA | n.d.
Surveys of Olympic Coast National Marine Sanctuary have identified non-native invertebrates and algae, while shipping remains an important potential pathway for future introductions.
| NOAA Office of National Marine Sanctuaries | NOAA | n.d.
The Florida Keys provide a prominent example of marine biological invasion, particularly through lionfish capable of restructuring reef food webs.
Shipping, Sanctuaries, and Marine Pathways
| NOAA | National Ocean Service | 2024
NOAA describes invasive organisms as a form of biological pollution in estuaries and explains the importance of ballast water as a pathway for international transport.
| NOAA Office of Response and Restoration | NOAA | 2017-03-02
Floating docks and other marine debris can transport attached organisms across oceans, creating a pathway for invasions that became especially visible after the 2011 Japanese tsunami.
| Amy Uhrin / NOAA | National Ocean Service | 2016
NOAA discusses how organisms travel in ballast tanks, aquaculture operations, aquarium releases, and floating debris and subsequently establish in distant ecosystems.
| Amy Uhrin / NOAA | National Ocean Service | 2015
This NOAA discussion explains what makes a species invasive and reviews pathways involving shipping, aquaculture, aquariums, marine debris, and intentional releases.
| NOAA Office of National Marine Sanctuaries | NOAA | 2015
NOAA's lionfish response strategy describes coordinated monitoring, removal, research, outreach, and management across invaded Atlantic marine sanctuaries.
| Clifton Dassuncao | MIT Sea Grant / NOAA | 2008
Analysis of shipping and ballast-water records identifies regions capable of acting as major sources for future biological invasions in the northeastern United States.
| NOAA Office of National Marine Sanctuaries | NOAA | n.d.
Greater Farallones National Marine Sanctuary monitors Asian kelp and other introduced organisms while considering how warming waters could allow additional species to establish.
| NOAA Office of National Marine Sanctuaries | NOAA | n.d.
Gray's Reef has recorded lionfish, Asian green mussels, invasive barnacles, and orange cup coral, demonstrating the variety of organisms capable of colonizing marine structures.
| NOAA Office of National Marine Sanctuaries | NOAA | n.d.
Lionfish around offshore reefs and shipwrecks illustrate how artificial habitat can provide footholds for introduced predators.
| Olympic Coast National Marine Sanctuary | NOAA | n.d.
Managers emphasize ballast-water controls and monitoring as important defenses against non-native marine organisms arriving in Washington waters.
U.S. Detection and Control Research
| Western Fisheries Research Center | U.S. Geological Survey | 2026-07-28
USGS scientists are improving environmental-DNA and larval monitoring techniques to detect European green crabs before damaging populations become firmly established.
| Northern Rocky Mountain Science Center | U.S. Geological Survey | 2026-07-08
Environmental-DNA surveillance detected New Zealand mudsnails at extremely low abundance in an Arizona fish hatchery, allowing managers to eradicate the infestation before it spread.
| AJ Moses | U.S. Forest Service Research and Development | 2026-07-06
Detection dogs are helping scientists search Molokaʻi for coconut rhinoceros beetles, an invasive insect capable of severely damaging coconut palms and other culturally important vegetation.
| USGS Ecosystems Mission Area | U.S. Geological Survey | 2026-05-28
This issue summarizes research on invasive species and other ecological threats, including projects involving land management and biological monitoring.
| Western Fisheries Research Center | U.S. Geological Survey | 2026-04-14
Researchers are assessing western fish hatcheries for vulnerability to zebra and quagga mussels as the destructive invaders move deeper into the Columbia River basin.
| Eastern Ecological Science Center | U.S. Geological Survey | 2026-03-30
USGS researchers present work on ecological threats, wildlife management, invasive organisms, and conservation science across the northeastern United States.
| Eastern Ecological Science Center | U.S. Geological Survey | 2026-03-20
The Disease Decision Analysis and Research group applies interdisciplinary tools to biological threats affecting wildlife and ecosystem management.
| USGS Ecosystems Mission Area | U.S. Geological Survey | 2026-02-11
The winter EcoNews issue highlights federal invasive-species research and emerging tools for addressing biological threats to U.S. ecosystems.
| USGS Biological Threats and Invasive Species Research Program | U.S. Geological Survey | 2026
USGS research covers terrestrial and aquatic invaders and supports risk assessment, prevention, early detection, rapid response, monitoring, and long-term control.
| Eva M. Colberg et al. | U.S. Geological Survey | 2024-10-24
Scientists outline how invasive-species management must adapt as warming, extreme events, and range shifts change where and when biological invasions occur.
Australia, Biological Control, and Public Response
| Joshua Janssen | CSIRO | 2025-12-02
Scientists restoring Ashmore Reef are targeting invasive buffel grass and tropical fire ants while monitoring the recovery of native birds, turtles, and island vegetation.
| Anil Poudel et al. | Frontiers in Ecology and Evolution | 2025-11-18
Modeling indicates that climate change could expand suitable habitat for giant reed, Arundo donax, a globally invasive plant capable of altering waterways, fire regimes, and native vegetation.
The Bounceback program demonstrates landscape-scale restoration combining invasive predator control, weed management, habitat recovery, and reintroduction of native wildlife.
| Joe Coughlan | The Guardian | 2025-05-12
Conservation groups argue that Britain's spending on invasive-species prevention and management remains disproportionately small compared with the ecological and economic risks.
Fishways designed to reconnect native fish habitat in the Murray-Darling Basin also provide opportunities to monitor and manage invasive fish movements.
| Tim Blackburn | The Guardian | 2025-03-10
Invasion biologist Tim Blackburn explains why increasing species richness through introductions does not necessarily benefit ecosystems and why some newcomers require active control.
Australia proposes coordinated management of five invasive grasses that degrade northern ecosystems, alter habitat, and place native species at risk.
| Helena Horton | The Guardian | 2025-01-17
A Colombian frog discovered in imported flowers illustrates how the enormous international trade in cut flowers and ornamental plants can transport insects, fungi, reptiles, and other hidden organisms.
| Geoff Egan | CSIRO | 2025-01-16
Australia's Atlas of Living Australia uses citizen-science observations to generate biosecurity alerts for fire ants, invasive clams, weeds, fungi, and other potential threats.
| Associated Press | AP News | 2025
Florida researchers are testing robotic rabbits as lures for invasive Burmese pythons, whose severe impacts on native mammals have made detection and removal a major Everglades conservation priority.
Recent Invasive-Species Developments
| Texas A&M Forest Service | Texas A&M Forest Service | 2026-08-20
Emerald ash borer was confirmed in five additional Texas counties, continuing the expansion of an invasive beetle responsible for killing hundreds of millions of ash trees across North America.
| Fisheries and Oceans Canada | Government of Canada | 2026-08-04
Canadian authorities inspected hundreds of watercraft near the Manitoba-Ontario border in an effort to prevent zebra mussels, quagga mussels, and other aquatic invaders from reaching uninfested waters.
Researchers examine invasive species as an overlooked cause of human displacement, citing invasive cactus in Kenya, little fire ants on Pacific islands, and water hyacinth in Africa.
| Deane Morrison | University of Minnesota | 2026-07-23
Minnesota researchers are testing approaches that encourage native milfoil weevils to suppress invasive Eurasian watermilfoil rather than relying solely on herbicides.
| USDA NRCS | U.S. Department of Agriculture | 2026-07-23
USDA announced $35 million for partnerships aimed at reducing damage from invasive feral swine to farms, landscapes, livestock, wildlife, and human health.
| Fisheries and Oceans Canada | Government of Canada | 2026-07-21
Roadside inspections of boats and aquatic equipment form part of Canada's attempt to stop invasive mussels from hitchhiking between lakes and river systems.
Surveys in eastern Africa suggest widespread planting of non-native hedge species may inadvertently create corridors and seed sources for biological invasions.
| Juan Vazquez-Leddon, Paul Treadwell and Marc Ducharme | Cornell Chronicle | 2026-07-14
Young citizen scientists sampled aquatic habitats for invasive species while learning how monitoring can help identify ecological changes in lakes and streams.
| University of Rhode Island | Rhody Today | 2026-07-08
Researchers are testing vacuum-based removal of spotted lanternflies as another tool for controlling the expanding invasive agricultural pest.
| Rachel Winks | CABI Blog | 2026-07-07
Kenyan communities report positive results from biological control of invasive Opuntia cactus using cochineal insects that specifically attack the plant.
New Research and Emerging Threats
| Kiran Das-Goel | Smithsonian Environmental Research Center | 2026-06-29
Smithsonian scientists profile eight marine invaders of particular concern as warming seas, shipping, and other pathways make coastal invasions increasingly difficult to prevent.
| Fisheries and Oceans Canada | Government of Canada | 2026-06-17
Manitoba and federal authorities conducted intensive boat inspections to reduce movement of zebra and quagga mussels between Canadian watersheds.
| University of Hawaiʻi | UH News | 2026-06-15
New diagnostic and artificial-intelligence projects seek to identify invasive plant diseases threatening bananas, citrus, hibiscus, and other Hawaiian plants before they become established.
| University of Hawaiʻi | UH News | 2026-05-26
Modeling suggests controlling invasive albizia and miconia while protecting native forest could substantially reduce future flood and erosion damage in Honolulu's Ala Wai watershed.
| Harrison Rware | CABI Blog | 2026-05-26
Pastoral communities in Laikipia are combining biological control, physical removal, and landscape management to recover grazing lands invaded by cactus.
| University of Minnesota | College of Science and Engineering | 2026-05-05
Researchers are developing underwater robotic mapping systems to locate invasive mystery snails so lake managers can identify and manage infestations.
| University of Hawaiʻi | UH News | 2026-05-03
Nearly 100 University of Hawaiʻi projects address invasive mosquitoes, ants, beetles, pathogens, plants, and other biological threats across the islands.
| University of Barcelona | University of Barcelona | 2026-04-23
Research suggests invasive reeds can alter freshwater conditions in ways that encourage mosquito larvae when natural predators are absent.
| Krishna Ramanujan | Cornell Chronicle | 2026-04-06
Chemical ecologists are using insect antenna responses to identify scents that could improve traps and deterrents for agricultural pests and invasive insects.
| FAO | Food and Agriculture Organization | 2026-03-12
Indonesia and FAO launched a major project designed to strengthen national prevention, monitoring, and management of invasive alien species in biodiversity-rich ecosystems.
Detection, Technology, and Management
| Stony Brook University | SBU News | 2026-07-16
One research project explores whether invasive bamboo biomass can be repurposed for removal of PFAS contamination from groundwater.
| Heather Leach | Penn State Extension | 2026-06-15
Penn State summarizes current knowledge of spotted lanternfly distribution, plant impacts, management options, and the pest's continuing expansion across the United States.
| Penn State Extension | Pennsylvania State University | 2026-06-10
Updated research examines spotted lanternfly feeding damage, host preferences, monitoring, insecticides, and integrated pest-management strategies.
| Cornell University | Cornell Chronicle | 2026-01
Advances in environmental DNA could allow regulators and researchers to detect invasive species from biological traces in water rather than relying on labor-intensive capture surveys.
| Minnesota Aquatic Invasive Species Research Center | University of Minnesota | 2026
A new environmental-DNA laboratory is helping communities test water samples for zebra mussels and eventually other high-priority aquatic invasive species.
| Minnesota Aquatic Invasive Species Research Center | University of Minnesota | 2026
Applied research projects include experiments using fish-exclusion cages to increase native milfoil weevils capable of feeding on Eurasian watermilfoil.
| Penn State Extension | Pennsylvania State University | 2025-10-05
The expanding spotted lanternfly invasion creates unusual interactions with honeybees because bees can collect honeydew produced by lanternflies.
| Penn State Extension | Pennsylvania State University | 2025-04-25
Researchers recommend tailoring spotted lanternfly management to local population levels and the actual vulnerability of individual plants rather than treating every tree.
| Penn State Extension | Pennsylvania State University | 2025
Vineyards are among the agricultural systems most vulnerable to spotted lanternfly because heavy feeding can reduce grape yields, weaken vines, and sometimes cause vine mortality.
| University of Hawaiʻi | UH News | 2024-12-10
Scientists are developing DNA-based early-warning and predictive-modeling systems for invasive terrestrial arthropods threatening Indo-Pacific ecosystems.
Ecological Cascades and Climate Change
| Christine Peterson | The Nature Conservancy | 2025-01-12
Ecologists explain how warmer winters, altered disturbance regimes, and continued human transport could expand the ranges of kudzu and many other invasive organisms.
| Krishna Ramanujan | Cornell Chronicle | 2025-01-02
Trained detection dogs outperformed human observers in complex forest habitats when searching for hidden spotted lanternfly egg masses.
| Cornell University | Cornell Chronicle | 2025-01
Economic modeling suggests an uncontrolled spotted lanternfly invasion could impose significant losses on New York's wine and grape industries.
| Chris Barncard | University of Wisconsin–Madison | 2024-08-19
Defoliation by invasive spongy moth caterpillars can trigger chemical defenses in trees that also reduce food quality for native insects.
| Blaine Friedlander | Cornell Chronicle | 2024-07-16
Invasive quagga mussels may be indirectly assisting the recovery of mayflies in Oneida Lake, illustrating that invasion effects can include complex and unexpected food-web interactions.
| Kitta MacPherson | Rutgers University | 2024-06-19
Researchers studying spotted lanternflies and brown marmorated stink bugs seek management strategies that control crop damage while minimizing harm to beneficial organisms.
| Matthew L. Miller | The Nature Conservancy | 2024-03-13
Big-headed ants eliminate native acacia ants, leaving trees more vulnerable to elephants and indirectly changing the ability of lions to ambush zebras.
| Emily C. Dooley | UC Davis | 2024-03-06
Analysis of thousands of introduced plants shows that some remain relatively inconspicuous for decades or centuries before suddenly expanding their ranges.
| University of California, Irvine | UCI News | 2024-02-28
Long-term experiments show that drought can alter wildfire severity in ways that favor invasive species in Southern California coastal sage scrub.
| University of Wyoming | UW News | 2024-01-25
Research in Kenya demonstrates how a small invasive ant can initiate a cascade involving acacia trees, elephants, vegetation structure, zebras, buffaloes, and lions.
Invasive Species in National Parks
| National Park Service | National Park Service | 2026-07-15
Monitoring at Capitol Reef documented hundreds of patches of priority invasive plants, with tamarisk, halogeton, and Russian olive accounting for most detections.
| National Park Service | National Park Service | 2026-01-09
Golden Spike monitoring found field bindweed and Scotch thistle widespread while some previously targeted invaders showed evidence of decline.
| National Park Service | National Park Service | 2025-08-21
Feral swine, Burmese pythons, fire ants, invasive mosquitoes, bullfrogs, and other introduced animals threaten ecosystems across the National Park System.
| National Park Service | National Park Service | 2025-08-21
The National Park Service profiles several widespread invasive animals and explains how they alter habitats, spread disease, and threaten native wildlife.
| National Park Service | National Park Service | 2025
Capitol Reef surveys documented tamarisk as the dominant priority invader along Cathedral Valley Road while several other species remained localized enough for rapid control.
| National Park Service | National Park Service | 2025
Colorado National Monument recorded hundreds of invasive-plant infestations but also reported no tamarisk detections during the survey for the first time since monitoring began.
| National Park Service | National Park Service | 2025
Fossil Butte surveys found cheatgrass and creeping foxtail dominating invasive-plant detections while several additional weeds appeared for the first time.
| National Park Service | Pacific Island Inventory & Monitoring Network | 2024-09-12
Pacific national parks monitor high-risk corridors and habitats so newly arriving invasive plants can be identified and controlled before they spread.
| National Park Service | Yosemite National Park | 2024-09-09
Yosemite managers contend with invasive plants, New Zealand mudsnails, forest pests, and other organisms that can transform park ecosystems.
| National Park Service | National Park Service | 2024-07-29
The invasion curve demonstrates why eradication is most achievable and least expensive when an introduced species is detected while its population is still small.
Federal Response and Aquatic Invasions
| Aurelia Umholtz and Ashley Lutto | U.S. Fish & Wildlife Service | 2025-09-02
Cross-border coordination stopped a mussel-encrusted boat from potentially introducing destructive zebra or quagga mussels into Alaska.
| Lisa Dlugolecki, Ashley Lutto and Amy Tippery | U.S. Fish & Wildlife Service | 2025-07-15
Restoring native plants can make ecosystems more resistant to invasive vegetation while improving wildlife habitat, soil stability, and watershed function.
| Ben Frey | U.S. Fish & Wildlife Service | 2025-07-08
Managers are removing phragmites, purple loosestrife, flowering rush, and Amazon frogbit while restoring hundreds of acres of Lake Erie coastal wetlands.
| Ashley Lutto | U.S. Fish & Wildlife Service | 2025-01-21
The agency emphasizes prevention as the most efficient way to reduce ecological and economic damage from newly arriving invasive species.
| Kristen Sommers | U.S. Fish & Wildlife Service | 2025-01-08
Federal wildlife rules seek to reduce the risk posed by invasive aquatic invertebrates transported through the pet trade and other pathways.
| Jillian Stark | U.S. Fish & Wildlife Service | 2024-10-30
Environmental DNA and field surveys are being used to determine whether the invasive silty pond mussel has escaped aquaculture sites into New Jersey waterways.
| U.S. Fish & Wildlife Service | U.S. Fish & Wildlife Service | 2024-08-28
Federal funding supported eradication projects targeting invasive plants, rodents, and aquatic organisms across several states and U.S. territories.
| Susan Pasko, Gwen Bausmith and Lena Chang | U.S. Fish & Wildlife Service | 2024-08-12
The discovery of zebra mussels attached to aquarium moss balls demonstrates how the pet and aquarium trade can unexpectedly move aquatic invasive species.
| Jarrad Kosa | U.S. Fish & Wildlife Service | 2024-03-26
Federal funding emphasized complete eradication of invasive populations where removal remains technically and economically feasible.
| Ashley Lutto | U.S. Fish & Wildlife Service | 2024
Specialists conducted hands-on training in Alaska to improve early detection of zebra and quagga mussels before they establish reproducing populations.
Feral Swine as an Invasive Species
| USDA APHIS | U.S. Department of Agriculture | 2026-05-11
USDA describes feral swine as a highly destructive invasive species affecting agriculture, wildlife habitat, property, and human and animal health.
| USDA APHIS | U.S. Department of Agriculture | 2026-04-07
National surveillance shows that targeted eradication and rapid response have reduced feral-swine populations in some regions while preventing expansion into others.
| USDA APHIS | U.S. Department of Agriculture | 2026-02-20
USDA provides technical guidance on trapping, population monitoring, crop damage assessment, genetics, and other aspects of feral-swine management.
| USDA National Wildlife Research Center | USDA APHIS | 2026-02-20
Scientists are developing improved techniques for reducing feral-swine populations and limiting damage to crops, ecosystems, livestock, and property.
| USDA APHIS | U.S. Department of Agriculture | 2026-01-13
Researchers are examining whether expanding Canadian feral-swine populations could use connected prairie and agricultural habitats to move south into currently uninvaded U.S. states.
| USDA APHIS | U.S. Department of Agriculture | 2026-01-11
The National Feral Swine Damage Management Program coordinates federal, state, tribal, university, and international efforts to contain or eradicate invasive wild pigs.
| USDA APHIS | U.S. Department of Agriculture | 2026-01-11
Feral swine degrade water quality, disrupt forest regeneration, compete with wildlife, monopolize water sources, and prey on native animals.
| USDA APHIS | U.S. Department of Agriculture | 2026-01-11
Wild pigs damage corn, rice, soybeans, sugar cane, pasture, fruit, vegetables, forestry operations, and livestock production through feeding, rooting, trampling, and wallowing.
| USDA NRCS and APHIS | U.S. Department of Agriculture | 2025-12
The final report of a federal pilot program reviews coordinated efforts to reduce feral-swine damage to agricultural lands, water resources, native wildlife, and rural economies.
| USDA APHIS | U.S. Department of Agriculture | 2025-11-17
Identification guidance helps distinguish invasive feral swine from domestic pigs and native javelinas and describes signs used to locate wild-pig populations.
Canadian Biosecurity and Invasive Species
| Canadian Food Inspection Agency | Government of Canada | 2026-08
Canada's plant-health surveillance program monitors emerald ash borer, hemlock woolly adelgid, spongy moth, oak wilt, spotted lanternfly, and numerous other invasive pests and pathogens.
| Environment and Climate Change Canada | Government of Canada | 2026-07-30
Canada's biodiversity indicators include national tracking of newly established invasive alien species alongside data on habitats, wildlife populations, and protected areas.
| Fisheries and Oceans Canada | Government of Canada | 2026-02-18
Canada announced investments in prevention, monitoring, and management programs intended to stop aquatic invasive species before they permanently alter ecosystems.
| Environment and Climate Change Canada | Government of Canada | 2024-12
Canada's indicator tracks newly established regulated invasive species and highlights continuing threats from trade, travel, ballast water, and imported plants and animals.
| Government of Canada | Canada.ca | 2024-10-29
Canada's invasive-species portal brings together information on aquatic invaders, forest pests, plant protection, shipping, firewood movement, and biosecurity.
| Environment and Climate Change Canada | Government of Canada | 2024
Canada's biodiversity strategy calls for reducing rates of introduction and establishment of invasive alien species by at least half by 2030.
| Environment and Climate Change Canada | Government of Canada | n.d.
Canada's national framework prioritizes prevention, early detection, rapid response, and management of invasive species that are already established.
| Environment and Climate Change Canada | Government of Canada | n.d.
Human travel, trade, transportation, deliberate introductions, and accidental movement have greatly accelerated the rate at which species cross natural geographic barriers.
| Environment and Climate Change Canada | Government of Canada | n.d.
Invasive plants, insects, pathogens, freshwater organisms, and marine species are now established across both populated and remote Canadian ecosystems.
| Environment and Climate Change Canada | Government of Canada | n.d.
Canada summarizes environmental, economic, and societal impacts ranging from biodiversity loss and erosion to disease, reduced agricultural productivity, and costly control programs.
Prevention, Risk Assessment, and Global Management
| U.S. Fish & Wildlife Service | U.S. Fish & Wildlife Service | 2026-05-28
The Service explains how invasive organisms can reduce biodiversity, damage infrastructure, spread disease, and sometimes contribute directly to native-species extinction.
| U.S. Fish & Wildlife Service | U.S. Fish & Wildlife Service | 2026-05-26
Practical prevention measures include cleaning footwear and equipment, removing seeds and mud, reporting unusual organisms, and avoiding release of pets into the wild.
Biological-control programs are developing host-specific insects and pathogens against common tansy, garlic mustard, flowering rush, Dyer's woad, and other invasive plants.
| The Nature Conservancy | The Nature Conservancy | 2024
The Invasive Species Advisory Committee argues that climate-adaptation programs frequently underestimate the ability of invasive organisms to undermine ecosystem resilience and natural climate solutions.
| U.S. Fish & Wildlife Service | U.S. Fish & Wildlife Service | 2024
A horizon-scanning project identified fish, invertebrates, and plants that could become important future aquatic invaders in the northeastern United States.
| Smithsonian Environmental Research Center | Smithsonian Institution | n.d.
Smithsonian researchers explain why rapid reproduction, release from natural enemies, and flexible ecological strategies help some introduced organisms become invasive.
| Courtney Gerstenmaier | Smithsonian Ocean | n.d.
This overview distinguishes introduced organisms from harmful invasive species while examining the ecological complexity surrounding species that establish outside their native ranges.
| The Nature Conservancy | The Nature Conservancy | n.d.
Prevention measures such as cleaning outdoor equipment, limiting firewood movement, and using native plants can reduce inadvertent transport of invasive organisms.
CABI's invasive-species program combines biological control, risk analysis, diagnostics, data systems, capacity building, and community-based management around the world.
| U.S. Fish & Wildlife Service | U.S. Fish & Wildlife Service | n.d.
Ecological Risk Screening Summaries provide rapid assessments designed to distinguish organisms with high invasion potential from lower-risk introduced species.
Forests, Agriculture, and Public Awareness
| Texas A&M Forest Service | Texas A&M Forest Service | 2026
Statewide trapping documents the continuing movement of emerald ash borer through Texas and provides guidance for communities attempting to protect ash trees.
| Jose Negron and Andrew M. Liebhold | U.S. Forest Service Research and Development | 2025-12-16
Research on Colorado's urban forests examines how emerald ash borer spreads after establishment and how city landscapes influence movement among ash trees.
| Penn State Extension | Pennsylvania State University | 2025-02-28
Penn State compiles monitoring, trapping, egg-removal, quarantine, pesticide-safety, and other practical resources for communities dealing with spotted lanternfly.
| Fisheries and Oceans Canada | Government of Canada | 2025-02-25
Canada funded seven multi-year projects addressing aquatic invasive species through prevention, surveillance, research, public education, and management.
| Jose Beduya | Cornell Chronicle | 2025-02-24
An exhibit combining ecological research and art explores hemlock woolly adelgid and other invasive plants and insects affecting New York ecosystems.
| Kevin M. Potter et al. | U.S. Forest Service Research and Development | 2025
National forest-inventory data indicate that problematic non-native understory plants have invaded a substantial portion of U.S. forests and continue to expand.
| Cornell University | Cornell Chronicle | 2024-07-18
The first established spotted-lanternfly population in New York's Finger Lakes grape region highlighted the growing threat to vineyards and other agricultural crops.
| Penn State Extension | Pennsylvania State University | 2024-06-13
Landscape professionals are advised to monitor preferred host trees and use targeted integrated pest management rather than automatically treating every plant in an invaded landscape.
| Penn State Extension | Pennsylvania State University | 2024-06-10
This comprehensive guide reviews spotted-lanternfly identification, life cycle, host plants, quarantine requirements, damage, monitoring, and integrated management.
| Cornell University | Cornell Chronicle | 2024-05-06
Cornell specialists explain how to recognize newly hatched spotted lanternflies and why early reporting is valuable when populations first appear.
