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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Evergreen > Larch / Tamarack > Cigar-shaped cases attached to needles

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Larch / Tamarack > Cigar-shaped cases attached to needles

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  • Image: Larch casebearer 1
  • Image: Larch casebearer 2
  • Image: Larch casebearer 3

Larch casebearer
Coleophora laricella

  • Larvae construct a cigar-shaped case that is suspended from branch buds appearing like dead needles
  • Browned or parched appearance of the needles from larvae feeding or mining leaf contents
  • Needles of heavily infested trees wither and die
  • All Minnesota Larch species are susceptible

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