Technology and Science06 May, 20262 min read
US Warns As Asian Needle Ant Brachyponera Chinensis Spreads Across More Than 20 States
This article is an automated aggregation of coverage from news outlets. Our editorials offer in-depth analysis curated by the NewsCord team.
Asian needle ant spread to more than 20 states, mainly in the Southeast. Stings can cause fatal anaphylaxis; health warnings issued.
Spreading across states
The Asian needle ant, scientifically known as Brachyponera chinensis, is spreading across the United States and has been confirmed in more than 20 states, with reports concentrated in the Southeast and parts of the East Coast. The Indian Express says the species has been in the United States since the 1930s, while PGurus reports it has now been found in at least 20 states and lists Florida, Georgia, Texas, New York, Pennsylvania, Massachusetts, and Wisconsin. The ants are small and dark brown to black, and they do not build visible anthills, instead nesting in concealed spaces like leaf litter, decaying wood, and wooded areas. The sting is described as capable of very serious allergic reactions, including anaphylaxis, and authorities have reminded people to be careful when handling items such as garden soils or when spending time in wooded areas.
Pain, anaphylaxis, and warnings
Benoit Guenard, an entomology professor at the University of Hong Kong, said of the sting: "Imagine somebody inserting a needle directly into your flesh." The U.S. Department of Agriculture is cited in multiple reports for how the pain can come and go over several hours, and the Times of India describes the pain as feeling "like a needle entering the skin." For people with allergies, the sting can trigger anaphylaxis, which the Indian Express describes as a potentially life-threatening reaction that can occur within seconds or minutes and requires an injection of epinephrine. The Georgia Public Broadcasting report says Dan Suiter, an entomologist with the University of Georgia’s extension service, received calls from three people in 2024 reporting stings that required hospitalization for anaphylaxis. In Florida, the Tallahassee Democrat reports the ant has been spotted with two recorded instances, one near Tallahassee and the other near Kennedy Space Center, according to Dr. Jason Williams.
What’s at stake next
Beyond human health, the U.S. Department of Agriculture is quoted warning of ecological disruption, with People citing that Asian needle ants "displace ant species that are critical seed dispersers," creating potential ecological impacts. The Guardian of that same risk is echoed in the Times of India, which says scientists point to possible environmental effects as the ants compete with native species that play roles such as dispersing seeds. The New York Post is referenced in PGurus and the Times of India for the idea that the USDA expects the ant to remain a permanent presence in the United States. Georgia Public Broadcasting reports that Asian needle ants have been reported in more than 20 states east of the Mississippi River, from Florida to Wisconsin, and it notes a study finding the ants thriving in a community mulch pile in Watkinsville, Georgia. With the ants described as stealthier than fire ants and more likely to be hidden in piles of wood, Dan Suiter says, "One of the ways to minimize the numbers of needle ants in your yard would be simply to clean up all that."