The Northern Pine Tussock or Northern Conifer Tussock (Dasychira plagiata) is a species of moth of the Lymantriidae family. It is found in Newfoundland, from Labrador to Alberta, in Massachusetts, New York and North Carolina. The wingspan is about 35 mm. The moths are on wing from June to August depending on the location. The larvae feed on Picea glauca, Picea mariana, Picea rubens, Abies balsamea, Abies fraseri, Tsuga canadensis, Pinus and Larix species.