Archive · 11 Jun 2025
Asian Needle Ants Spread: Risk and Safety Measures
Imagine tiny, shiny black ants that can sting!
These ants, called Asian needle ants, are now in many US states.
They came from Asia and can cause problems if they sting you.
The stings can make you itch, swell, or even cause serious breathing problems.
Experts suggest wearing gloves when working outside, cleaning up wood piles, and asking pest control for help.
These ants are most active in the summer months.
Asian needle ants have spread to at least 20 US states.
These ants are originally from China, Japan, and Korea.
They are small, black or dark brown, and about 0.2 inches long.
Stings can cause reactions ranging from mild itching to anaphylaxis.
Experts recommend wearing gloves and professional pest control.
- Who
- Asian needle ants (Brachyponera chinensis)
- What
- An invasive ant species that can sting and cause allergic reactions.
- When
- Active in spring and most visible in summer (July and August).
- Where
- Found in at least 20 US states, including Texas, Wisconsin, and Washington.
- Why
- To inform the public about the presence of the ants and how to stay safe.
- Ant Name
- Asian needle ant (Brachyponera chinensis)
- Origin
- China, Japan, and Korea
- First US Detection
- 1932
- Length
- About 0.2 inches
- Sting Reactions
- Itching, swelling to anaphylaxis
- Management Advice
- Wear gloves, remove wood, hire pest control
- US Regions Found
- Texas, Wisconsin, Washington, Northeast and Southeast regions
- Activity
- Spring, most visible in summer (July and August)