Syngrapha celsa (Henry Edwards)

  • Latin name: Syngrapha celsa (Henry Edwards)
  • French name:
  • Order: Lepidoptera
  • Family: Noctuidae


British Columbia



Damage, symptoms and biology

Syngrapha celsa is a common innocuous solitary defoliator.

Mature larva up to 24 mm long. Head, green unmarked. Body, green, addorsal, subdorsal and spiracular white stripes; addorsal stripes broader than subdorsal and spiracular stripes. Two pairs of mid-abdominal prolegs instead of the normal four found in other cutworms.

This species appears to overwinter in the larval stage. Larvae are present May to June, pupation occurs in June, and adults emerge June to July.

Life cycle (West of the Rockies)

Life cycle (West of the Rockies)
Stage/Month J F M A M J J A S O N D

Canadian Forest Service Publications

Diet and feeding behaviour

  • Phyllophagous : Feeds on the leaves of plants.
    • Free-living defoliator: Feeds on and moves about freely on foliage.
Information on host(s)

Main host(s)

Amabilis fir, Engelmann spruce, grand fir, subalpine fir, western hemlock, white spruce

  • Lateral view of mature larva, on grand fir
  • Dorsal view of mature larva, on grand fir
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