Eupithecia olivacea (Taylor)

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  • Latin name: Eupithecia olivacea (Taylor)
  • French name:
  • Order: Lepidoptera
  • Family: Geometridae
Description

Distribution

British Columbia

This species occurs throughout the host range on the south coast and southwest interior of British Columbia; it also occurs south to Oregon.

Micro-habitat(s)

Needle

Damage, symptoms and biology

Eupithecia olivacea is a common innocuous solitary defoliator..

Mature larva up to 20 mm long. Head, brown unmarked. Body, brown with dark brown middorsal stripe; half-arrowhead pattern along subdorsal line; yellowish white along lateral flange..

This species overwinters in the pupal stage. Adults emerge from early March to April, larvae are present from April to June, and pupation occurs from late June to 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.
    • Free-living defoliator: Feeds on and moves about freely on foliage.
Information on host(s)

Eupithecia olivacea is only known from Douglas-fir.

Main host(s)

Amabilis fir, black hawthorn, grand fir, Rocky Mountain Douglas-fir, Sitka spruce, subalpine fir, western hemlock

Photos
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