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1.
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an Embryological Study of the Spruce Budworm, Choristoneura fumiferana (Clements), (Lep., Tortricidae). Stairs, Gordon R.
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2.
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The response of Tenebroides mauritanicus (L.) in the vacuum fumigation of jute with methyl bromide. Monro, Hector. A.
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3.
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A virus (Polyhedral) disease of the European spruce sawfly, Gilpinia hercyniae (Hartig). Bird, F. T.
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4.
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The life history and morphology of the green spruce looper, Semiothisa Granitata GN (Lepidoptera, Geometridae). Morgan, Cecil V. G.
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