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The emergence of pear thrips in the Healdsburg area of California in 1932 /
By: Smith, Leslie Malcolm,
Publication info: Berkeley, Calif. :Agricultural Experiment Station,1933.
Contributed by: University of California, Davis Libraries (archive.org)
Subjects: California Diseases and pests Fruit Pear thrips
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New control methods for the pear thrips and peach tree borer, by Earl L. Morris . . .
By: Morris, Earl Leonard.
Publication info: Sacramento [Calif. :State Print. Off.],1912.
Contributed by: University of California Libraries (archive.org)
Subjects: Peach-tree borer Pear thrips
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The pear thrips (Euthrips pyri)
By: California. - Moulton, Dudley.
Publication info: Sacramento,W. W. Shannon, supt. state printing,1905.
Contributed by: Cornell University Library
Subjects: Pear thrips
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The pear thrips (Euthrips pyri) By Dudley Moulton, entomologist for Santa Clara County, California. Illustrated with original drawings by W. S. Atkinson and photographs by A. P. Hill.
By: California. - Moulton, Dudley.
Publication info: Sacramento,W.W. Shannon, supt. state printing,1905.
Contributed by: Library of Congress (archive.org)
Subjects: Pear thrips
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