News - New World Screwworm
Spotlight on New World Screwworm
DTN Coverage of the New World Screwworm Threat and the US Response
On June 3, 2026, USDA confirmed the first U.S. case of New World screwworm (NWS) — spread by a flesh-eating parasitic fly — had been...
USDA Confirms NWS in Texas, NM
USDA Confirms 5th NWS Case, Unveils New Tools, Names Screwworm Adviser
REDFIELD, Iowa (DTN) — An update from U.S. Secretary of Agriculture Brooke Rollins, while holding a news conference in Texas, confirmed the fifth case of...
USDA Reports 2 More Texas NWS Cases
2 More NWS Cases Confirmed, Including a Dog Hundreds of Miles North of Others
This article was originally published at 9:44 a.m. CDT on Monday, June 8. It was last updated with additional information at 12:45 p.m. CDT on...
Abbott Declares Disaster as NWS Spreads
Second Calf Confirmed with New World Screwworm in South Texas
REDFIELD, Iowa (DTN) — USDA Animal and Plant Health Inspection Service (APHIS) confirmed late Friday, the second case of New World screwworm (NWS) in a...
NWS in Texas Puts Industry on Alert
Texas Ranchers Brace as New World Screwworm Returns to US Soil After 6 Decades
REDFIELD, Iowa (DTN) — The news of a confirmed case of New World screwworm in a 3-week-old beef calf in south Texas on Wednesday provides...
USDA Confirms First US NWS Case
First US New World Screwworm Case in 60 Years Found in Texas Calf
OMAHA, Neb. (DTN) — USDA confirmed on Wednesday the first case of New World screwworm (NWS) was found in a 3-week-old calf near La Pryor,...
USDA Tests Possible US NWS Case
USDA Confirms Testing Possible US New World Screwworm Sample From South Texas
This article was originally posted at 5:26 p.m. CDT on Wednesday, June 3. It was last updated with additional information at 5:53 p.m., then again...
Call the Market
At This Point, It’s Not If But When New World Screwworm Appears in US
You’ve thought it. I’ve thought it. It’s time we say the damn thing out loud. It’s not a matter of if New World screwworm comes...
Latest NWS Case Is 25 Miles From US
USDA Ramps Up Defense Against NWS as Pest Closes in on US Border
REDFIELD, Iowa (DTN) — New World screwworm (NWS) continues to move closer to crossing the U.S. border with the closest case being 25 miles away...
Florida Tightens Rules as NWS Nears
Florida Restricts Texas Animals as New World Screwworm Cases Creep Toward US Border
REDFIELD, Iowa (DTN) — As New World screwworm (NWS) cases increase in northern Mexico, another Southern state — Florida — has begun instituting new restrictions...