Emerald Ash borer infestation moving more slowly than expected

DENVER - One of Colorado's top entomologists says the spread of a destructive beetle called the emerald ash borer is happening slower than expected.

The Colorado Department of Agriculture said in July the emerald ash borer had been found in three more locations in Boulder since the insect was first detected in the city in September. But Whitney Cranshaw, an entomology professor at Colorado State University, tells The Denver Post (http://dpo.st/1sNGGpU ) the announcement that the beetle was found in only three locations next to the existing infestation area was "great news."

The upshot, she says, is local governments in the Denver metro area and residents with ash trees on their property have at least another year to prepare. The beetles have killed more than 50 million ash trees in more than 20 U.S. states since 2002.

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