Ecological studies on the potato psyllid as a pest of potatoes /
by R.L. Wallis.

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Main Author: Wallis, R. L. (Robert L.), 1902-
Language(s): English
Published: Washington : U.S. Dept. of Agriculture, 1955.
Subjects: Potatoes > Potatoes / Diseases and pests.
Jumping plant-lice.
Note: Caption title.
Physical Description: 24 p. : ill., maps ; 23 cm.
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Item Link	Original Source
Full view	University of Virginia
Full view no.1107(1955)	University of Illinois at Urbana-Champaign

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