Weymouth-Kiefer
The larvae feed on "Abies sachalinensis", "Larix kaempferi", "Pinus parviflora" var. "pentaphylla", "Pinus pentaphylla" and "Pinus strobus". They mine the stem of their host plant. The mine has the form of a blotch-mine under the epidermis of young shoots, rarely of old trunks.