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forest insects. Ontario Ent. Soc. Ann. Rept. 36 : 56-61, illus. 1905. 



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catalogue of exhibits of insect enemies of forests and forest products 

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CATALOGUE OF WEST VIRGINIA FOREST AND SHADE TREE INSECTS. W. Va. Agr. 



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insect enemies of forest reproduction. U. S. Dept. Agr. Yearbook, 1905: 



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insects destructive to forests. Natl. Assn. Cotton Mfgrs. Trans. 85: 126- 



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some of the principal insect enemies of coniferous forests in the united 



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