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New World Screwworm

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Officials worried about New World screwworm fly infestation threatening cattle industry

Officials worried about New World screwworm fly infestation threatening cattle industry While an untreated screwworm infestation can be fatal to an animal, federal and state officials have been quick to emphasize that the larvae, which feed on living tissue, do not infest meat or fruit - Bookmark Texas Gov. Greg Abbott has voiced significant concern over delays in constructing a new facility crucial for combating the New World screwworm fly, whose flesh-eating larvae pose a renewed threat to...

The Independent World 3d ago

What to know about the New World screwworm fly and its reappearance in the US

What to know about the New World screwworm fly and its reappearance in the US Fri 5 Jun 2026 at 1:01pm The New World screwworm fly is threatening the $US113 billion United States cattle industry for the first time in more than a half century, with an infestation from its flesh-eating larvae confirmed in south Texas. The infestation was discovered in a single 3-week-old calf in La Pryor, Texas, about 161 kilometres south-west of San Antonio and 80 kilometres from the US-Mexico border. Federal...

ABC Australia 5d ago

The New World Screwworm Is Back. Here’s What That Means.

The screwworm fly, whose larvae feed on the tissue of livestock, wildlife and pets. Its infections can kill if left untreated.

NYT Science 5d ago

USDA Says New World Screwworm Case May Have Been Detected in US

A farmer surveys his field of cattle in Quemado, Texas.

Bloomberg Markets 6d ago

Spread of flesh-eating parasites sparks new rules in Southern US

Spread of flesh-eating parasites sparks new rules in Southern US The USDA confirmed in early June that the New World Screwworm has spread into the US - Bookmark - CommentsGo to comments The cattle-killing New World Screwworm has been found in the U.S., prompting a slew of southern states to issue new rules to help fight the spread of the parasitic insect. Florida Agriculture Commissioner Wilton Simpson issued an emergency rule to tighten restrictions on bringing warm-blooded animals — the...

The Independent World 1d ago

First US screwworm case in 60 years: Should America be worried?

First US screwworm case in 60 years: Should America be worried? The US Department of Agriculture says New World screwworm has been detected in a Texas calf. The New World screwworm, a flesh‑eating parasite which infects cattle and other warm‑blooded animals, has been found in a calf in Texas, the US Department of Agriculture announced on Wednesday.

Al Jazeera 6d ago

Flesh-eating screwworm found in Texas cow. Are humans at risk?

Flesh-eating screwworm found in Texas cow. USDA announced the detection of a New World screwworm infection in a cow in Texas, marking the state's first confirmed case in decades. A fly that deposits its parasitic, flesh-eating offspring inside cows has been detected in Texas for the first time in decades, the U.S. Department of Agriculture (USDA) reported Wednesday (June 3).

Live Science 5d ago

Deadly flesh-eating parasite spreads to second US state as cases rise to five

Deadly flesh-eating parasite spreads to second US state as cases rise to five New World screwworm infestations in humans are rare, but they can be fatal if left untreated. A female fly lays eggs in open wounds or body openings. The US Department of Agriculture (USDA) has confirmed the first case of the New World screwworm in New Mexico, taking the total number of known US cases to five.

Daily Mirror 1d ago

US confirms three new cases of flesh-eating screwworm in livestock

Department of Agriculture says new cases in Texas and New Mexico as officials move to combat parasite’s spreadThe US Department of Agriculture (USDA) on Monday confirmed three additional cases of New World screwworm – two more in Texas and the other in New Mexico, according to the agency’s animal health arm. The Animal and Plant Health Inspection Service said the two Texas cases affected a calf in La Salle county and a goat in Gillespie county.

The Guardian World 1d ago

Food supply 'not at risk' after new Texas screwworm cases, USDA secretary says

The U.S. food supply is "not at risk" from the return of the flesh-eating screwworm parasite to Texas, U.S. Department of Agriculture Secretary Brooke Rollins said on Monday. "This is not a virus, it's not a disease, it's just a little pest, a larva that lands in a calf's wound, for example, and it can be treated," Rollins said in an interview on CNBC's "Squawk Box." "We have boots on the ground … we'll be able to beat this back, but we're going to do everything we can, investing over a...

CNBC 2d ago