Pinus contorta
The larvae of "Choristoneura lambertiana lambertiana" feed on "Pinus lambertiana". Subspecies "Choristoneura lambertiana ponderosana" prefers "Pinus ponderosa" and "Pinus flexilis". Subspecies "Choristoneura lambertiana subretiniana" feeds on "Pinus contorta" and "Pinus jeffreyi".