, Agriculture and Agri-Food Canada, Invertebrate Biodiversity - National Environmental Health Program and Canadian National Collection of Insects, Arachnids and Nematodes, Ottawa, Ontario K1A 0C6, Canada

• Journal of the Entomological Society of British Columbia Vol. 113 (2016): Journal of the Entomological Society of British Columbia - Articles
  History of the balsam woolly adelgid, Adelges piceae (Ratzeburg), in British Columbia with notes on a recent range expansion
  Abstract  Figure 1  Figure 2  Figure 3, a-d  Figure 3, e-f  Figure 4  History of the balsam woolly adelgid, Adelges piceae (Ratzeburg),  History of the balsam woolly adelgid, Adelges piceae (Ratzeburg),  History of the balsam woolly adelgid, Adelges piceae (Ratzeburg),  PDF