Epinotia hopkinsana (Kraft)

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  • Latin name: Epinotia hopkinsana (Kraft)
  • French name:
  • Order: Lepidoptera
  • Family: Tortricidae
Description

This species occurs throughout coastal British Columbia; it also occurs south to California.

Micro-habitat(s)

Needle, Bud, Annual shoot, Cone

Damage, symptoms and biology

Epinotia hopkinsana causes relatively minor damage to newly flushed shoots of lodgepole pine and Sitka spruce.

Mature larva up to 10 mm long. Head, yellow to brown, with broad dark lateral bar on cheek and dark pigmentation in ocellar area. Thoracic shield, amber to brown. Body, dirty white to purplish. Setal pinacula grey, distinct.

This species overwinters as a young larva, usually mined into a needle. In early spring (April to May) the larva leaves the mined needle and feeds on swelling buds, new growing shoots and on conelets. Larvae feed until early June. Pupation occurs in June, and adults emerge in July.

Canadian Forest Service Publications

http://cfs.nrcan.gc.ca/publications/search?query&process=Search

Diet and feeding behaviour

  • Phyllophagous : Feeds on the leaves of plants.
Information on host(s)

The principal hosts of Epinotia hopkinsanaare Sitka spruce and lodgepole pine.

Main host(s)

Lodgepole pine, shore pine, Sitka spruce

Secondary host(s)

Canada yew, mugho pine, ponderosa pine, Rocky Mountain Douglas-fir, western redcedar

Photos
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