- French common name: Lieuse de l'épinette
- Scientific name: Coleotechnites atrupictella (Dietz)
- Kingdom: Animalia
- Phylum: Arthropoda
- Class: Insecta
- Order: Lepidoptera
- Family: Gelechiidae
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Partial list of synonyms:
- Eucordylea atrupictella Dietz
Distribution
- Canada
Damage, symptoms and biology
Coleotechnites atrupictella is a relatively uncommon innocuous solitary defoliator.Mature larva to 12 mm long. Head, brown unmarked. Body, red; creamy white addorsal and lateral stripes; large creamy white lateral markings.
This species appears to overwinter in the egg stage. Larvae are present from June to July, pupation occurs late July to August and adults emerge in August.
Canadian Forest Service Publications
Diet and feeding behaviour
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Phyllophagous:
Feeds on the leaves of plants.
- Leaftier: Ties two or more leaves together with silk threads, forming a tube in which to hide and feed.
Information on host(s)
Main host(s)
- Black spruce
- Engelmann spruce
- Ponderosa pine
- Rocky Mountain Douglas-fir
- Shore pine
- Subalpine fir
- Western hemlock
- White spruce
Secondary host(s)
Photos
Dorsal view of mature larva, on Engelmann spruce
Lateral view of mature larva, on Engelmann spruce
Dion Manastyrski Centre de foresterie du Pacifique, Victoria (Colombie-Britannique) / Pacific Forestry Centre, Victoria, British Columbia