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The Nature of the Sheath Material in the Feeding Punctures Produced by the Potato-Leaf Hopper and the Three-Cornered Alfalfa Hopper


Author:
Smith, Floyd F.
Source:
USDA
Year:
1933
Format:
p. 475-485.
Language:
English
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/IND43968363