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The Alfalfa gall midge : (Asphondylia miki Wachtl.) /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1912.
Contributed by: Unknown
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The alfalfa weevil : (Phytonomus murinus) /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1911.
Contributed by: Unknown
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The chinch bug. (Blissus leucopterus Say.) /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
Contributed by: Unknown
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The clover mite. (Bryobia pratensis Garman) /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Department of Agriculture, Bureau of Entomology,1912.
Contributed by: Unknown
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The clover root-borer (Hylastinus obscurus Marsham) /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1905.
Contributed by: Unknown
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The clover root-borer. (Hylastinus obscurus Marsham.) /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1910.
Contributed by: Unknown
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The corn leaf-aphis and corn root-aphis / F. M. Webster.
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1907.
Contributed by: U.S. Department of Agriculture, National Agricultural Library
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The grasshopper problem and alfalfa culture /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1907.
Contributed by: U.S. Department of Agriculture, National Agricultural Library
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The joint worm (Isosoma tritici Fitch.) /
By: Webster, F. M. - United States. - United States.
Edition: Revision, September 21, 1908.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1908.
Contributed by: Unknown
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The joint worm (Isosoma tritici Fitch.) /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1905.
Contributed by: Unknown
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A predaceous mite proves noxious to man : (Pediculoides ventricosus Newport) /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1910.
Contributed by: Unknown
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Preliminary report on the alfalfa weevil. [Phytonomus posticus]
By: Webster, F. M.
Publication info: Washington,Govt. print. off.,1912.
Contributed by: Library of Congress
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The slender seed-corn ground-beetle. (Clivina impressifrons Lec.) /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1906.
Contributed by: U.S. Department of Agriculture, National Agricultural Library
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Some insects affecting the production of red clover seed /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1906.
Contributed by: Unknown
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The spring grain-aphis or "green bug."
By: Webster, F. M. - Phillips, W. J.
Publication info: Washington,Govt. print. off.,1912.
Contributed by: Library of Congress
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The spring grain-aphis or so-called "green bug." (Toxoptera graminum Rond.) /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1907.
Contributed by: U.S. Department of Agriculture, National Agricultural Library
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The spring grain-aphis or so-called "green bug." (Toxoptera graminum Rond.) /
By: Webster, F. M. - United States. - United States.
Edition: Revision.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
Contributed by: Unknown
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The spring grain-aphis. (Toxoptera graminum Rond.) /
By: Webster, F. M. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1907.
Contributed by: U.S. Department of Agriculture, National Agricultural Library
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The wheat strawworm. (Isosoma grande Riley.) /
By: Webster, F. M. - Reeves, Geo. I. - United States. - United States.
Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
Contributed by: Unknown
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