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(20) Le Conte, J. L. 



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(21) Leng, C. W. 



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(22) Olivier, A. G. 



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(23) Peterson, Alvah. 



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(25) Sanders, J. G. 



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(26) Say, Thomas. 



1823-4. Descriptions of coleopterous insects collected in the late expe- 

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(28) Webster, F. M. 



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(29) Weigel, C. a. 



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(30) Weigel, C. A., and Chambers, E. L. 



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1922. Further observations on the strawberry root worm on roses. 



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1923. Control of the strawberry rootworm in commercial rosehouses. 

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