Red pine shoot moth
Red pine trees in plantations, along roadsides in parts of Region I are displaying brown tips due to hollowing out of new shoots by the red pine shoot moth (borer). Flagging is most noticeable in Hubbard, Becker, and northwestern Cass Counties. Trees ten to twenty feet tall appear the most affected. One large red pine plantation in Becker County, just south of Osage, had enough flagged shoots that it was mapped by aerial survey flights during first part of July. By July 21st no moth larvae were found in the affected shoots.