Question: Coleophora laricella was known to be a deforester of which species of tree found in the western United States?
Sentence (from "Larix occidentalis"): Western larch (Larix occidentalis) is a species of larch native to the mountains of western North America, in Canada in southeastern British Columbia and southwestern Alberta, and in the United States in eastern Washington, eastern Oregon, northern Idaho, and western Montana.
Relevant evidence: Yes