Invasive Species

Fresh copi on ice

Can Rebranding Invasive Carp Make It More Appealing to Eat?

Illinois is giving the problematic fish a new name—copi—in hopes of tempting more diners to chow down

Goldfish, as voracious eaters, will devour snails, small insects, fish eggs, and young fish, out-competing native fish. They can also grow over a foot long outside in the wild. (Pictured: A 14-inch goldfish removed by the U.S. Fish and Wildlife Service from the Niagara River that flows north from Lake Erie to Lake Ontario)

Though Cute as Pets, Goldfish Are Highly Invasive Once in the Wild

The animal’s insatiable appetites, bold behaviors and adaptability make them harmful to new environments

Salma brachyscopalis Hampson

U.S. Customs Agents Find Rare Moth Last Spotted in 1912

Larvae and pupae found in seed pods at the Detroit Metropolitan Airport last fall hatched into <em>Salma brachyscopalis Hampson</em> moths

Wild boars are causing major issues in Italy.

Wild Boars Are Ransacking Rome

The Italian government plans to cull the population after at least one animal tested positive for a contagious swine fever

Acid-spewing tawny crazy ants, formerly called raspberry crazy ants, have been spreading through the gulf coast in recent years.

A Killer Fungus Is Annihilating Invasive 'Crazy Ants' in the United States

Entomologists are hopeful the pathogen could slow the insects' spread through the country

Emerald ash borers are already predicted to kill all ash trees in more than 6,000 urban areas.

1.4 Million Urban Trees May Fall to Invasive Insects by 2050

It could cost 30 million a year to replace infected trees in areas hardest hit by the non-native species

Entomologists obtained and synthesized the pheromone by swabbing various virgin giant hornet queens captured in Yunnan, China.

Scientists Are Using Sex Pheromones to Lure in Murder Hornets

The method may be the best way to eliminate the insects from non-native habitats

Joro spiders are eye-catching, with bright yellow, blue and red coloration.

Large, Parachuting Spiders Could Soon Invade the East Coast, Study Finds

The authors say the arachnids are harmless to people and pets and may even eat pests like stink bugs

An adult spongy moth

Invasive Insect Gets a New Name: Spongy Moth

After removing the common name "gypsy moth," which contained a racial slur, the Entomological Society of America has assigned a new designation

Browntail moth caterpillars have small hairs that can cause a poison ivy-like rash and difficulty breathing in humans.

Rash-Causing Moths Are Spreading in Maine Because of Climate Change

The outbreak of browntail moths in the state will likely grow worse as temperatures increase, researchers say

Fisheries biologists caught invasive armored catfish in Houston bayous in 2017.&nbsp;

More Than 400 Invasive Fish Dumped From Aquariums Found in Texas River

Plecos, or suckermouth armored catfish, are efficient, algae-eating tank cleaners, but they are native to South America with few natural predators

Despite the species&rsquo; name, European green crabs&rsquo; color varies widely from dark brown to dark green with patches of yellow or orange.

Nearly 70,000 Invasive Green Crabs Were Captured in Washington State Last Fall

State government officials took emergency actions this month to eradicate the non-native species

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Robotic Fish Are This Invasive Species' 'Worst Nightmare'

The tiny swimmers wreak havoc across the globe, but the robofish shocked them enough to impair their survival and reproduction

The three-inch Joros can weave their massive webs almost anywhere, including porches, gardens and mailboxes.

'Like a Scene Out of 'Arachnophobia,'' Invasive Spiders Take Over Northern Georgia

Scientists are torn on whether the Joro spider could have positive or negative effects on the native ecosystem

Colombian wildlife officials hope to control a rather large invasive species&mdash;the hippo&mdash;with contraceptive drugs.

Officials Use Contraceptives to Control Pablo Escobar's 'Cocaine' Hippos

Smuggled into Colombia by the drug kingpin in the 1980s, the African mammal is now a growing environmental threat in the South American country

If you see this bug, officials want you to kill it. The spotted lanternfly is an invasive insect that can cause millions of dollars in damage to crops and forests.

See a Spotted Lanternfly? Squash It, Officials Say

The invasive insect poses a huge threat to agriculture and trees in the Northeast United States

Officials located the nest after netting and tagging three hornets between August 11- 17. One of the hornets slipped out of the tracking device, another one was never found, but the third one led entomologists to the nest.

Entomologists Eradicated the First Asian Giant 'Murder' Hornet Nest of 2021

The hive was located just two miles from where officials found another nest in 2020

Cogongrass in bloom during early summer.

'World's Worst Invasive Weed' Sold at Many U.S. Garden Centers

Banned by federal and state regulators, many invasive plants are still being sold at garden centers, nurseries and online retailers nationwide

Earlier this summer, to keep the invasive insect contained, the Washington State Department of Transportation announced that they would set up 1,200 giant hornet traps across the state.

The First Living Asian Giant 'Murder' Hornet of 2021 Has Been Found in Washington State

The sighting was reported two miles from where officials found a nest in October 2020

Feral hogs wreak havoc on the ecosystems they invade, and new research suggests they're also contributing to climate change by releasing 1.1 million cars-worth of carbon dioxide every year.

Feral Pigs Release 1.1 Million Cars-Worth of Planet-Warming Carbon Dioxide Every Year

The study's results add exacerbating climate change to the list of environmental impacts ascribed to this invasive species

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