Spruce needleworm, Paler dolichomia moth
Damage, symptoms and biologyThe spruce needleworm is a rather uncommon innocuous solitary defoliator.
Mature larva up to 20 mm long. Head, black unmarked. Body, tan with dark brown middorsal, subdorsal and spiracular stripes.
This species overwinters in the pupal stage. Adults emerge in May; larvae are present from June to August and pupation occurs in August.
Canadian Forest Service Publications
Diet and feeding behaviour
: Feeds on the leaves of plants.
- Free-living defoliator: Feeds on and moves about freely on foliage.
Information on host(s)
Spruce needleworm is restricted to spruce, including Engelmann spruce and white spruce.