Hermiston, Ore., dealing with armyworm invasion

Armyworms are on the march in Hermiston, with hundreds of thousands of the small caterpillars wriggling around lawns and homes across the city.

Though a fairly typical pest, the sheer number this fall is prompting dozens of calls to Oregon State University's Hermiston Agricultural Research and Extension Center, which has caught the attention of entomologist specialist Silvia Rondon.

"They're all over the place," Rondon said. "That's really a nuisance. It's not fun to see hundreds of these by your door or porch."

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