New World Screwworm Resources - A Website for Texans
New World screwworm (NWS) is a parasite affecting warm-blooded animals including livestock, wildlife, equine and pets. Its fly larvae burrows into living tissue causing severe and sometimes fatal damage.
How Do We Stop
New World Screwworm?
The sterile insect technique is the only proven method for eradicating New World screwworm. This technique has a long history of success, having been used to eradicate NWS from the U.S. in the 1960s.
Stay Informed
The Screwworm Coalition of Texas
The Screwworm Coalition of Texas is a joint initiative organized in May 2025 comprised of livestock, wildlife, equine and landowner groups inclusive of: East Foundation, Independent Cattlemen’s Association of Texas, Livestock Marketing Association of Texas, South Texans’ Property Rights Association, Texas & Southwestern Cattle Raisers Association, Texas Association of Dairymen, Texas Cattle Feeders Association, Texas Farm Bureau, Texas Pork Producers Association, Texas Poultry Federation, Texas Quarter Horse Association, Texas Sheep and Goat Raisers Association, and Texas Wildlife Association.
The coalition will ensure consistent and accurate information is shared with Texas landowners and the agricultural and wildlife industries, including tools and resources that equip Texans with educational information needed amid the threat of the NWS.
