Birch casebearer

Birch casebearer - Mass of cases on white birch foliage before emergence of adult in June
  • Latin name: Coleophora serratella (Linnaeus)
  • French name: Porte-case du bouleau
  • Order: Lepidoptera
  • Family: Coleophoridae
  • Synonym(s): Coleophora fuscedinella Zeller,
    Coleophora salmani Heinrich
Description

Distribution

Eastern Canada, Manitoba, British Columbia

Micro-habitat(s)

Leaf

Canadian Forest Service Publications

Birch casebearer

Diet and feeding behaviour

  • Phyllophagous : Feeds on the leaves of plants.
    • Casebearer: Insects that hide under a case or a shelter made by cutting and tying pieces of leaf together with silk. They feed and move around on the leaf surface within this shelter.
Information on host(s)

Main host(s)

Grey birch, white birch, yellow birch

Photos
  • Birch casebearer Adult (wingspan: 12 mm)
  • Birch casebearer Case opened to show larva
  • Birch casebearer Mass of cases on white birch foliage before emergence of adult in June
  • Birch casebearer New white birch foliage attacked in the spring
  • Birch casebearer White birch severely defoliated
  • Birch casebearer Lateral and ventral views of pupa
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