Coverage dated June 2, 2026 to June 4, 2026

Flesh-eating New World screwworm detected in Texas calf, USDA says, signaling major threat to food production

Headline from East Idaho News

WASHINGTON (CNN) — A case of flesh-eating New World screwworm has been detected in South Texas, the U.S. Department of Agriculture said Wednesday. It is the first time this parasitic fly – whose larvae feed exclusively on the tissue of warm-blooded animals – has been detected in U.S.

East Idaho News's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Earlier updates in this story

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Reports & sources

32 articles, oldest first.

  1. Washington Examiner

    USDA defends screwworm response as pest inches closer to Texas (opens Washington Examiner)

    Published

    Washington Examiner's feed description

    The screwworm was 187 miles from Texas in February. It is now 25 miles from the Texas border, the USDA said in an update on the parasite.

  2. KVIA El Paso

    First U.S. suspected case of New World screwworm reported in South Texas (opens KVIA El Paso)

    Published

    KVIA El Paso's feed description

    by Berenice Garcia, The Texas TribuneJune 3, 2026 McALLEN — The U.S. Department of Agriculture announced a suspected case of New World screwworm — the parasitic fly poised to harm the state’s $15 billion cattle industry — in South Texas.

  3. WTOP Washington DC

    Possible flesh-eating screwworm case in Texas, USDA says (opens WTOP Washington DC)

    Published

    WTOP Washington DC's feed description

    A flesh-eating New World screwworm was recently detected in Mexico just 25 miles from the United States border, according to the U.S. Department of Agriculture.

  4. Hot Air

    The New World Screwworm Has Crossed the Border (opens Hot Air)

    Published

    Hot Air's feed description

    New World Screwworm detected in Texas threatens cattle industry; USDA and officials respond swiftly.

  5. The Fence Post

    APHIS confirms New World screwworm in Texas calf; food supply safe (opens The Fence Post)

    Published

    The Fence Post's feed description

    The Agriculture Department’s Animal and Plant Health Inspection Service confirmed the detection of a New World screwworm (NWS) late Wednesday in a 3-week-old calf in Zavala County, Texas. NWS is a serious pest that affects...

  6. KOB 4

    What to know about the New World screwworm fly and its reappearance in the US (opens KOB 4)

    Published

    KOB 4's feed description

    The New World screwworm fly is threatening the $113 billion U.S. cattle industry for the first time in more than a half century. An infestation from its flesh-eating larvae has been confirmed in south Texas in a 3-week-old calf in La Pryor, about 100 miles southwest of San Antonio.

  7. The Victoria Advocate

    First U.S screwworm case in 60 years detected in South Texas calf (opens The Victoria Advocate)

    Published

    The Victoria Advocate's feed description

    LA PRYOR — A flesh-eating livestock pest eradicated from the United States six decades ago has resurfaced in Texas, prompting state and federal officials to launch containment efforts while reigniting […]

  8. ABC 7 New York

    Screwworm fly detected in Texas decades after cattle threat was largely eradicated (opens ABC 7 New York)

    Published

    ABC 7 New York's feed description

    The U.S. Department of Agriculture has confirmed that the New World screwworm fly has arrived in south Texas

  9. NBC 5 Dallas-Fort Worth

    Officials set a quarantine zone after a screwworm fly detection in Texas (opens NBC 5 Dallas-Fort Worth)

    Published

    NBC 5 Dallas-Fort Worth's feed description

    USDA confirmed the New World screwworm fly in a calf in South Texas and a 12-mile quarantine zone is now in place.

  10. Fox2 Detroit

    USDA confirms first US case of flesh-eating screwworm in Texas, triggering quarantines (opens Fox2 Detroit)

    Published

    Fox2 Detroit's feed description

    USDA confirms the first U.S. case of the destructive New World screwworm in a Texas calf, triggering emergency quarantines and political clash over containment.

  11. Washington Examiner

    New World screwworm confirmed in Texas, threatening cattle industry (opens Washington Examiner)

    Published

    Washington Examiner's feed description

    Agriculture Secretary Brooke Rollins said USDA officials detected a screwworm on a three-week-old calf in Texas, near the Mexican border.

  12. NBC 6 South Florida

    Flesh-eating screwworm returns to U.S. after 60 years, threatening cattle herd (opens NBC 6 South Florida)

    Published

    NBC 6 South Florida's feed description

    The New World screwworm fly has been detected in Texas for the first time in decades, with the flesh-eating larvae threatening the nation's cattle industry.

  13. WFAA Dallas

    New World Screwworm confirmed in South Texas calf, state and federal officials respond (opens WFAA Dallas)

    Published

    WFAA Dallas's feed description

    A parasitic fly larva was discovered in a Zavala County calf Wednesday, triggering quarantines and a coordinated state and federal response.

  14. MyNorthwest

    Officials have a suspected case of the New World screwworm fly in south Texas, the USDA says (opens MyNorthwest)

    Published

    MyNorthwest's feed description

    Officials suspect that the New World screwworm fly has arrived in south Texas, the U.S. Department of Agriculture announced Wednesday, marking possibly the

  15. WFMZ Allentown

    Screwworm fly detected in Texas decades after cattle threat was largely eradicated in US (opens WFMZ Allentown)

    Published

    WFMZ Allentown's feed description

    The New World screwworm fly has reached south Texas, the U.S. Department of Agriculture confirmed Wednesday, the first time in decades that the parasite with flesh-eating larvae has threatened the

  16. Breitbart News

    Flesh-Eating Screwworm Found in Texas, Infected Calf Detected Near Border (opens Breitbart News)

    Published

    Breitbart News's feed description

    The U.S. Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service confirmed the detection of New World Screwworm larvae in a calf less than 50 miles inland from the Texas-Mexico border.

  17. New York Post

    What is New World screwworm, the flesh-eating pest detected in Texas? (opens New York Post)

    Published

    New York Post's feed description

    State and federal officials are racing to contain the New World screwworm after the flesh-eating pest was detected in a Texas calf — the first US cattle case since the parasite was eradicated nationwide decades ago.

  18. The Guardian

    Alarm as once-eradicated flesh-eating parasite found in calf in Texas (opens The Guardian)

    Published

    The Guardian's feed description

    USDA confirms first case of New World screwworm fly in cattle in six decades, posing threat to livestock industry

  19. East Idaho News

    Flesh-eating New World screwworm detected in Texas calf, USDA says, signaling major threat to food production (opens East Idaho News)

    Published

    East Idaho News's feed description

    WASHINGTON (CNN) — A case of flesh-eating New World screwworm has been detected in South Texas, the U.S. Department of Agriculture said Wednesday. It is the first time this parasitic fly – whose larvae feed exclusively on the tissue of warm-blooded animals – has been detected in U.S.

  20. Delaware Public Media

    New World screwworm found in calf in Texas (opens Delaware Public Media)

    Published

    Delaware Public Media's feed description

    A case of New World screwworm has been found in a calf in Texas. The flesh-eating fly, which was eradicated from the U.S. in the 1960s, poses a major threat to the cattle industry.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.

Flesh-eating New World screwworm detected in Texas calf, USDA says, signaling major threat to food production | Since Then