- Scientific name: Thera otisi (Dyar)
- Kingdom: Animalia
- Phylum: Arthropoda
- Class: Insecta
- Order: Lepidoptera
- Family: Geometridae
Distribution
- Alberta
- British Columbia
Damage, symptoms and biology
Thera otisi is a rather uncommon innocuous solitary defoliator.Mature larva up to 16 mm long. Head, yellowish green, held under thorax. Body, green; yellowish subdorsal stripes; spiracular stripe red above and white below.
This species appears to overwinter in the egg stage. Larvae are present June to July, pupation occurs in July, and adults emerge July to August.
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 a mature larva, on common juniper
Dion Manastyrski Centre de foresterie du Pacifique, Victoria (Colombie-Britannique) / Pacific Forestry Centre, Victoria, British Columbia
Dion Manastyrski Centre de foresterie du Pacifique, Victoria (Colombie-Britannique) / Pacific Forestry Centre, Victoria, British Columbia