Invading Hordes of Crazy Ants May Have Finally Met Their Kryptonite

upstart writes:

Invading hordes of crazy ants may have finally met their kryptonite:

When tawny crazy ants move into a new area, the invasive species is like an ecological wrecking ball-driving out native insects and small animals and causing major headaches for homeowners. But scientists at The University of Texas at Austin have good news, as they have demonstrated how to use a naturally occurring fungus to crush local populations of crazy ants. They describe their work this week in the journal Proceedings of the National Academy of Sciences.

"I think it has a lot of potential for the protection of sensitive habitats with endangered species or areas of high conservation value," said Edward LeBrun, a research scientist with the Texas Invasive Species Research Program at Brackenridge Field Laboratory and lead author of the study.

In some parts of Texas, homes have been overrun by ants that swarm breaker boxes, AC units, sewage pumps and other electrical devices, causing shorts and other damage. Natives of South America, tawny crazy ants have raised alarm bells as they've spread across the southeastern U.S. during the past 20 years. The idea for using the fungal pathogen came from observing wild populations of crazy ants becoming infected and collapsing without human intervention.

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