| Pike, K.S., Graf, G., Foottit, R.G., Maw, H.E., Von-Dohlen, C., Harpel, J., Pantoja, A., Emmert, S.Y., Hagerty, A.M. 2012. Eriosomatine aphids (Hemiptera, Aphididae, Eriosomatinae) associated with moss and roots of conifer and willow in forests of the Pacific Northwest. The Canadian Entomologist. 144(4):555-576. |