- Scientific name: Eupithecia unicolor (Hulst)
- Kingdom: Animalia
- Phylum: Arthropoda
- Class: Insecta
- Order: Lepidoptera
- Family: Geometridae
Distribution
- British Columbia
Damage, symptoms and biology
Eupithecia unicolor is a common innocuous solitary defoliator.Mature larva to 20 mm long. Twig mimic. Head, brown with dark mottle. Body, mottled yellowish green, dorsum with faint yellow diamond pattern, dark green middorsal pin stripe.
This species appears to overwinter as a mid-instar larva. Larvae are present April to May. Pupation occurs in June and adults emerge in July.
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)
Photos
Dorso-lateral view of mature larva, on western redcedar
Lateral view of mature larva, on western redcedar
Mature (left) and penultimate instar (right) larvae on western redcedar
Robert W. Duncan Centre de foresterie du Pacifique, Victoria (Colombie-Britannique) / Pacific Forestry Centre, Victoria, British Columbia
Robert W. Duncan Centre de foresterie du Pacifique, Victoria (Colombie-Britannique) / Pacific Forestry Centre, Victoria, British Columbia
Robert W. Duncan Centre de foresterie du Pacifique, Victoria (Colombie-Britannique) / Pacific Forestry Centre, Victoria, British Columbia