The Asian needle ant, an invasive, venomous species, is making its way toward Missouri.
The University of Missouri Extension is urging residents to keep an eye out for the insect as it continues to spread throughout the Midwestern U.S. The population typically peaks during July and August.
These ants prefer moist, shaded environments, including areas with leaf litter, dead logs, and firewood. Unlike many other ant species, Asian needle ants don’t create visible mounds or foraging trails, allowing them to often go unnoticed.
Already detected in 18 states in the Northeast and South, the ant is now closing in on the Midwest.
Their spread poses environmental risks. Entomologist Emily Althoff warns that the ants threaten native ant populations and can also be harmful to humans. Their sting delivers venom similar in effect to that of a bee or wasp.
It’s also important to note that Asian needle ants typically don’t enter homes unless accidentally brought in, which would most likely happen via firewood.
According to data from the USDA, the ant, which is natively from regions of China, Japan, and Korea, has been in the Southeastern U.S. since at least 1932.