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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous Trees > Ribes > Leaves chewed or with holes

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Ribes > Leaves > Leaves chewed or with holes

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Imported Currantworm
Nematus ribesii

  • Larvae are cream colored and then become green with prominent dark; full grown larvae are one half inch long
  • Feed on leaf margins; heavy feeders and rapidly defoliate plants
  • Active in May and June
  • More information on imported currantworm...
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Currant spanworm
Itame ribearia

  • Larvae begin feeding on the tips of the leaves and then feed until plant is defoliated
  • Feed from late May through June
  • Smooth-skinned larvae are bright yellow with white patches and many black spots; 1.25 inch long when fully grown
  • Larvae move with looping motion
  • Larvae begin feeding on the tips of the leaves and then feed until plant is defoliated
  • More information on currant spanworm...

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