Common woolly aphids and adelgids of conifers
By: by R. W. Duncan.
Contributors: Canadian Forest Service.; Pacific Forestry Centre.; Canada-British Columbia Partnership Agreement on Forest Resource Development : (FRDA II)
Series: Forest pest leaflet -- 19
Publisher: Canadian Forest Service, Forest Insect and Disease Survey, Pacific Forestry Centre
Published: 1996
Place of publication: Victoria, B.C
Language: eng
Subjects: Aphididae -- British Columbia.; Adelges -- British Columbia.; Balsam fir -- Diseases and pests -- British Columbia.; Spruce -- Diseases and pests -- British Columbia.
Notes: Caption title.

"Canada-British Columbia Partnership Agreement on Forest Resource Development: FRDA II".

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