Spotted lanternflies are an invasive species that have been seen increasingly in Indiana.

While not harmful to humans, they suck sap out of plants and produce a honeydew that can create mold and curb plant growth. They will feed on up to 20 different tree species, including maples and walnuts — and grapevines.

Jim Butler, president of Butler Winery, said he expects to see the insect at his vineyard in the next couple years, although they haven’t been spotted yet at local wineries. If he finds himself struggling to grow quality grapes, Butler said, he will turn to other vineyards to purchase them.

“When we grow the grapes, we have complete control over how we're growing them, what style we want to produce,” he said. “When we're buying from other growers, we lose that control over the fru

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