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Western False Hemlock Looper

R. L. Ferris

Introduction

The western false hemlock looper, Nepytia freemani Munroe (Lepidoptera: Geometridae), is a native pest of immature Douglas-fir in southern interior British Columbia, southwestern Alberta, and the northwestern United States. Larva populations periodically reach epidemic proportions in British Columbia. There have been five major outbreaks recorded in British Columbia.

For more information, see the Western False Hemlock Looper Forest Pest Leaflet in the Canadian Forest Service bookstore.