00000nam 2200000zi 4500 9.905437 CaOODSP 20250303104653 m o d f cr cn||||||||| 211129s1924 onca||||o f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- A12-2/37-1924E-PDF Studies on the spruce budworm (Cacoecia fumiferana Clem.). Ottawa : Department of Agriculture, 1924. 1 online resource (91, 24 unnumbered pages) : illustrations. text txt rdacontent computer c rdamedia online resource cr rdacarrier Bulletin, New series ; no. 37 "Entomological bulletin no. 25." "Digitized by the Internet Archive in 2013." Part I. A general account of the outbreaks, injury and associated insects / by J.M. Swaine and F.C. Craighead. -- Part II. General bionomics and possibilities of prevention and control / by F.C. Craighead. -- With a chapter on abnormalities of cell structure by I.W. Bailey. Spruce budworm. Spruce Diseases and pests. Tordeuse des bourgeons de l'épinette. Épinette Maladies et fléaux. Swaine, J. M. (James Malcolm), 1878-1955 author. Canada. Department of Agriculture, issuing body. Bulletin (Canada. Department of Agriculture) no. 37. (CaOODSP)9.814228 PDF 13.52 MB https://publications.gc.ca/collections/collection_2021/aac-aafc/A12-2-37-1924-eng.pdf