PIERRE, S.D. (AP) — Agriculture officials in South Dakota are advising residents to hold off on treating their ash trees.

The recommendation comes less than two weeks after officials announced the discovery of the emerald ash borer in Omaha, Nebraska.

State forester Greg Josten says treatments for trees in South Dakota "are still premature."

State forest health specialist John Ball says standard protocol calls for no treatments, sprays or injections until the insect has been detected within 15 miles of a given tree.

The emerald ash borer moves between communities in firewood, and it is found in more than twenty states. State officials encourage residents to buy firewood locally or get wood other than ash.

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