References in periodicals archive ?
Balsch, Studies of the Balsam Woolly Aphid, Adelges Piceae (Ratz.) and Its Effects on Balsam Fir, Abies, (L.) Mill, vol.
Mitchell, "Abnormal ray tissue in three true firs infested by balsam woolly aphid," Forest Science, vol.
The effect of balsam woolly aphid infestation on fuel levels in sprucefir forests of Great Smoky Mountains National Park.