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The western grass-stem sawfly : a pest of small grains


Author:
Ainslie, C. N.
Source:
Technical bulletin (United States. Dept. of Agriculture) ; no. 157 1929
Year:
1929
Subject:
Sawflies and Grasses -- Diseases and pests
Format:
24 p. : ill. ; 23 cm.
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection