New World screwworm

The USDA confirmed the first U.S. detection of New World screwworm in decades on June 3, 2026, in a bovine in Zavala County, Texas, indicating the parasite has spread north. The U.S. border remains mostly closed to Mexican live animals amid the crisis.

Canada has suspended animal exports from Texas due to concerns about New World screwworm. The decision follows reports of the parasitic threat to cattle, as seen at the West Auction barn on June 11, 2026.

Beef prices are rising due to drought, low herd sizes, and concerns about the new world screwworm in the United States. Texas business owners express concern that price increases could drive away customers.

Scientists are concerned that current efforts may not contain the new world screwworm spreading into the US. Conservationists in Central America discovered rapidly infected wildlife, indicating the fly's potential spread and signaling long-term containment challenges.

Texas livestock producers are dealing with the spread of the pasture mealybug, which is threatening pastures, hayfields, and forage resources. The mealybug is spreading rapidly across Texas while producers also face the threat of the New World screwworm.

Vets and humane societies warn pet owners in Texas and New Mexico about the spread of New World screwworm, a parasite whose larvae infest open wounds in mammals, including pets and cattle. The parasite reemerged in the U.S. in June after decades of eradication efforts, with over 30 confirmed cases reported. Preventive measures include flea and tick medications, and prompt veterinary care is critical to avoid fatal infections.

32 confirmed New World screwworm infestations have been reported in Texas. The flesh-eating parasite poses a risk to animals, and officials are working to contain the outbreak by monitoring spread patterns, identifying symptoms, and implementing control measures.

The U.S. Department of Agriculture confirmed a new case of New World screwworm in Crockett County, Texas, affecting a domestic sheep, increasing the total confirmed cases to 31.

Ranchers and residents in Texas attended an information session about new infestation zones and surveillance zones in Starr County following a New World screwworm infection in a calf in neighboring Jim Hogg County.

Minnesota is restricting dog and cat imports from states where New World Screwworm has been detected to safeguard pets and livestock. The state is implementing stricter regulations on animals entering from these regions.

The head of the Texas Border Coalition stated that local lawmakers along the Texas border seek improved coordination with federal authorities regarding border barrier infrastructure and the fight against New World screwworm.

Mexican President Claudia Sheinbaum praised a new sterile fly plant in Chiapas, funded by Mexico ($30 million) and the U.S. ($21 million), to combat the New World screwworm. The facility will produce 28 million sterile flies weekly by mid-July, aiming to reduce the parasite population through sterile insect technique. The U.S. pledged an additional $83.8 million to support the effort.

Laredo is taking extra precautions after a New World screwworm case was found in Nuevo Laredo, Mexico. Mayor Victor Treviño has implemented inspections for animal wounds and infestations.

Federal and state agricultural officials confirmed 27 New World screwworm cases in the U.S., leading Texas to impose emergency quarantine orders to halt the parasite's spread in West Texas. A transport ban was issued to prevent further expansion.

A group of moderate U.S. House Democrats, including Reps. Sharice Davids, Gabe Vasquez, and Jim Costa, sent a letter to USDA Secretary Brooke Rollins demanding transparency and additional resources to address a New World screwworm outbreak in Texas and New Mexico. The lawmakers emphasized concerns over the pest's impact on livestock and food prices, while a USDA spokesperson defended the agency's communication efforts.

A new case of New World Screwworm has been confirmed in Jim Hogg County, Texas, in a domestic cattle. This brings the total number of confirmed cases to 26, as reported by the U.S. Department of Agriculture.

Preventing New World screwworm infections in pets is critical for owners in the Southwest border region, according to veterinarian Dr. Rebecca Greenstein, a medical advisor for Rover. The online pet-sitting service group is highlighted as a resource for guidance.

House Democrats, including members of the New Democrat Coalition, demanded the USDA provide more details and allocate resources to address the New World screwworm outbreak in Texas and New Mexico. The lawmakers criticized the Trump administration for insufficient transparency and preparedness, while the USDA defended its communication efforts.

A group of 21 moderate House Democrats, including Reps. Sharice Davids, Gabe Vasquez, and Jim Costa, demanded the USDA provide more details and allocate additional resources to address the New World screwworm outbreak in Texas and New Mexico. The lawmakers criticized the Trump administration for insufficient transparency and urged proactive measures to prevent further spread, while a USDA spokesperson defended the agency's communication efforts.

A group of House Democrats from the New Democrat Coalition questioned USDA Secretary Brooke Rollins about the agency's response to a New World screwworm outbreak in Texas and New Mexico. The lawmakers demanded increased resources and transparency to address the parasitic fly's impact on livestock and food prices, while USDA defended its communication efforts.

A group of moderate U.S. House members, including Reps. Sharice Davids, Gabe Vasquez, and Jim Costa, demanded the USDA provide more details and allocate resources to address a New World screwworm outbreak in Texas and New Mexico. The lawmakers criticized the Trump administration for insufficient transparency and urged proactive measures to support affected ranchers and prevent further spread. The USDA defended its communication efforts, stating it has provided 'unprecedented' updates to stakeholders.

The article covers an update on the New World screwworm spread, introduces the new podcast series 'After the Flood,' and features a discussion on recent Supreme Court decisions with Vanessa Gilmore.

The New World screwworm threatens shelter pets and stray animals in Central Texas, prompting Austin Pets Alive! to revise its operations. Challenges include medication costs and transport restrictions from other states, as noted by the organization's CEO Dr. Ellen Jefferson.

The New World screwworm has reached Texas, prompting Trump officials to accelerate breeding of sterile flies to combat the threat. The parasitic fly's larvae feed on living tissues of warm-blooded animals.

The New World Screwworm has been detected in U.S. cattle, prompting the USDA to implement measures like releasing sterile flies and closing southern livestock imports. Secretary Brooke Rollins coordinated with Mexico to establish surveillance, reduce equipment duties, and secure airspace for sterile fly releases to combat the threat.

The New World screwworm, a parasitic fly not seen in the U.S. for nearly 60 years, has been detected in Texas and New Mexico. Pennsylvania implemented quarantine measures but state and federal veterinarians assured lawmakers the threat is limited due to the parasite's treatability and containment strategies.

Texas Gov. Greg Abbott stated the state is seeking federal reimbursement for border security costs. The announcement was made during an interview with NewsNation border correspondent Ali Bradley, which also covered topics like the New World screwworm and the U.S. Senate election.

Texas officials have identified rodents and other small wildlife as potential causes of New World Screwworm infestations. The article references a section of a border wall under construction near Lake Amistad Dam in Del Rio.

Governor Greg Abbott is addressing key issues in Texas, including border security funding, the expansion of AI data centers, and the emergence of New World screwworm cases. The topics highlight challenges related to state security, technological growth, and agricultural health threats.

The first case of New World screwworm has been reported in a Texas border county. The incident was reported on Monday.

The New World screwworm parasite, previously absent from Texas for decades, has returned to the region with twelve cases reported. The parasite was previously confined to Central America before its recent reappearance in Texas.

The New World screwworm, a parasitic fly eradicated from U.S. cattle since 1966, has resurfaced in Texas, New Mexico, and surrounding areas, infecting calves, a goat, and a dog. The outbreak threatens the beef industry, with record-high prices and reduced cattle numbers, exacerbated by recent funding cuts to monitoring programs.

The New World screwworm, eradicated from U.S. cattle since 1966, has resurfaced in Texas and New Mexico, infecting three calves, a goat, and a dog. Canada has restricted U.S. cattle imports, and the Trump Administration and Elon Musk cut funding for a national monitoring program in 2025, raising concerns about a potential outbreak impacting the beef industry.

The New World screwworm, eradicated from U.S. cattle since 1966, has reemerged in Texas and New Mexico, infecting five animals including three calves, a goat, and a dog. Canada has restricted U.S. cattle imports, and authorities warn of potential economic impacts on the beef industry amid record-high prices and reduced cattle numbers.

The Governor's office has launched a new website to provide comprehensive information about the New World screwworm. The website was announced today as part of the response efforts.

The New World screwworm poses a threat to horses in Texas, leading to protective measures like fly boots at the Houston SPCA. The infestation could exacerbate challenges for already crowded animal shelters.

Texas lawmakers debated approaches to combat the New World screwworm, with federal officials supporting the USDA's current eradication strategy and private sectors advocating for alternative sterile fly production methods. Sterile flies are used to disrupt the screwworm's reproduction cycle.

Texas universities and research institutions have received USDA funding to prevent the spread of the New World Screwworm, a parasite harmful to livestock and wildlife. The federal funding aims to support detection and control research efforts.

An atomic lab has issued an alarm regarding the spread of the New World Screwworm across the Americas. The Texas Division of Emergency Management's State Operations Center in Austin is responding to the threat.

Virginia's state veterinarian advises vigilance against New World screwworm infestations in livestock and pets, following confirmed cases in Texas and New Mexico. The Virginia Department of Agriculture and Consumer Services highlights safeguards, including the sterile insect technique to reduce fly populations, and emphasizes observation of animals for early treatment.