By Linda Williams, forest health specialist, Woodruff, Linda.Williams@wisconsin.gov, 920-360-0665
For the second year in a row, colonies of redheaded pine sawfly have been reported on understory red pine in northern Wisconsin, with the most reports coming from Vilas County. Redheaded pine sawfly was also noted in Portage County in central Wisconsin this year.

Redheaded pine sawfly larvae feed as a group.
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