Home > Uncategorized > Hairy, crazy ants invade from Texas to Miss.

Hairy, crazy ants invade from Texas to Miss.

NEW ORLEANS (AP) — It sounds like a horror movie: Biting ants invade by the millions. A camper’s metal walls bulge from the pressure of ants nesting behind them. A circle of poison stops them for only a day, and then a fresh horde shows up, bringing babies. Stand in the yard, and in seconds ants cover your shoes. It’s an extreme example of what can happen when the ants — which also can disable huge industrial plants — go unchecked. Controlling them can cost thousands of dollars. But the story is real, told by someone who’s been studying ants for a decade.

“Months later, I could close my eyes and see them moving,” said Joe MacGown, who curates the ant, mosquito and scarab collections at the Mississippi State Entomological Museum at Mississippi State University.

He’s been back to check on the hairy crazy ants. They’re still around. The occupant isn’t.

The flea-sized critters are called crazy because each forager scrambles randomly at a speed that your average picnic ant, marching one by one, reaches only in video fast-forward. They’re called hairy because of fuzz that, to the naked eye, makes their abdomens look less glossy than those of their slower, bigger cousins.

And they’re on the move in Florida, Texas, Mississippi and Louisiana. In Texas, they’ve invaded homes and industrial complexes, urban areas and rural areas. They travel in cargo containers, hay bales, potted plants, motorcycles and moving vans. They overwhelm beehives — one Texas beekeeper was losing 100 a year in 2009. They short out industrial equipment.

If one gets electrocuted, its death releases a chemical cue to attack a threat to the colony, said Roger Gold, an entomology professor at Texas A&M.

“The other ants rush in. Before long, you have a ball of ants,” he said.

(Excerpt) Read more at news.yahoo.com …

via Hairy, crazy ants invade from Texas to Miss..

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  1. August 17, 2012 at 9:41 AM
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