Canadian Forest Service Publications
Cross attraction between the Douglas-fir beetle (Dendroctonus pseudotsugae Hopk. and the spruce beetle D. obesus (Mann.)) 1969. Chapman, J.A.; Dyer, E.D.A. Bi-monthly Research Notes 25(4): 31.
Issued by: Pacific Forestry Centre
Catalog ID: 27943
Series: Bi-Monthly Research Note
Availability: PDF (download)