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Threat of New World Screwworm in Texas

14 articles First seen: June 03, 2026

AI Analysis

The recent detection of a potential case of New World screwworm in South Texas has raised significant alarm regarding agricultural safety and livestock health, particularly due to its proximity to the US-Mexico border. The USDA is actively monitoring the situation, as this could mark the first confirmed instance of the screwworm crossing into the United States. As testing continues, the implications for the livestock industry, local farmers, and federal response strategies are coming under scrutiny, with calls for improved communication and preparedness in the face of this agricultural threat. Key figures in the narrative include Agriculture Secretary Brooke Rollins, who emphasizes the USDA's efforts, and state Rep. Don McLaughlin, who criticizes the federal response as insufficient. This narrative highlights the tension between federal oversight and local concerns, reflecting broader themes of border security, agricultural vulnerability, and response effectiveness in the face of potential biological threats.

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Washington Examiner Jun 03, 08:19 PM

USDA Addresses Concerns Over Screwworm Proximity to Texas Border

The USDA reports that the New World screwworm is now 25 miles from the Texas border, prompting concerns about its impact on the livestock industry. Agriculture Secretary Brooke Rollins highlighted the USDA's communication efforts while state Rep. Don McLaughlin criticized the federal response as inadequate. The current sterile fly production capacity in Texas is significantly lower than during past outbreaks.

Ars Technica Jun 03, 09:31 PM

New World screwworm infection reported in South Texas

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Daily Wire Jun 03, 05:26 PM

Potential Case of New World Screwworm Detected in South Texas

A potential case of the New World screwworm has been detected in South Texas, with testing underway at the National Veterinary Services Laboratories. The USDA is monitoring the situation closely, following reports of the screwworm in neighboring Mexico. The CDC has issued guidelines for prevention and treatment of infestations.

Ars Technica Jun 03, 09:31 PM

Possible New World Screwworm Infection Reported in South Texas

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New York Times — Business Jun 04, 02:14 AM

New World Screwworm Fly Detected in U.S. Cattle

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New York Post Jun 04, 03:24 AM

Screwworm Case Detected in Texas, According to USDA

The USDA has confirmed a case of New World screwworm in Texas. The maggots of this species can enter animals through wounds and consume living tissue, potentially resulting in death if untreated. There are also rare cases of human infection.

Ars Technica Jun 04, 02:46 AM

New World screwworm infection confirmed in South Texas by USDA

The USDA has confirmed a case of New World screwworm in South Texas, marking the first breach of the US-Mexico border by these flies. The infection was found in a calf in Zavala County, raising concerns in the cattle industry.

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New World screwworm detected in Texas, prompting emergency response

The New World screwworm has been confirmed in Texas, leading to an emergency response from the USDA. This pest poses a threat to cattle, and its detection comes as the U.S. beef herd is at a historic low and prices are high. The USDA's plan focuses on treating affected animals rather than culling them.

Guardian — US Jun 04, 12:54 PM

New World screwworm parasite detected in Texas calf

The USDA has confirmed the detection of the New World screwworm in a calf in Texas, marking the first case in 60 years. The discovery, made in southern Texas near the Mexico border, has raised concerns regarding the potential impact on the livestock industry.

Al Jazeera English Jun 04, 01:05 PM

New World Screwworm Detected in Texas Calf

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PBS NewsHour Jun 04, 06:50 PM

Screwworm Fly Detected in Texas After Eradication Efforts in the U.S.

The screwworm fly has been detected in Texas, according to Agriculture Secretary Brooke Rollins. This is the first detection since the pest was largely eradicated in the U.S., and officials noted that while the larvae threaten livestock, they do not infest food.