Tonks, N.
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Effect of a commercial insecticidal soap on greenhouse whitefly (Hom. Aleyrod.) and its parasitoid, Encarsia formosa (Hym: Euloph.)
Puritch, G.S.; Tonks, N.; Downey, P.
Year: 1982
Catalog ID: 2285
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Viruses to control winter moth, Operophtera brumata (Lepidoptera: Geometridae).
Cunningham, J.C.; Tonks, N.; Kaupp, W.J.
Year: 1981
Catalog ID: 21633
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Recognition and life history of the major insect and mite pests of ornamental shrubs and shade trees of British Columbia
Gerber, H.S.; Tonks, N.; Ross, D.A.
Year: 1974
Catalog ID: 33629
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).