First occurrence of balsam woolly aphid in the interior of British Columbia
Keywords:
balsam woolly aphid, <i>Adelges piceae</i>Abstract
The balsam woolly aphid, <i>Adelges piceae</i> (Ratzeburg), was discovered near Vancouver in 1958, and in the interior of British Columbia in 1967. Infested planted ornamentals were found at two locations in the Okanagan Valley: three <i>Abies alba<i/> Miller near Oliver and two <i>Abies concolor</i> (Gordon and Glendenning) in Penticton. These trees were either burned or sprayed. No aphids were found on native alpine fir, <i>Abies lasiocarpa</i> (Hooker).References
Harris, J.W.E., D.H. Ruppel, S.J. Allen, and D.G. Collis. 1964. The balsam woolly aphid, Adelges piceae (Ratz.) in British Columbia. Infor. Rept. For. Ent. and Path. Lab., Victoria, B.C.
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