Add to ORKGThis archival publication may not reflect current scientific knowledge or recommendations. Current information available from University of Minnesota Agricultural Experiment Station: http://www.maes.umn.edu
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
Each colored plate accompanied by leaf of descriptive letterpress.[Bulletin 8 of the Dept. of entomo...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
Green aphids, named green bugs, were at record levels in 1949 in North Dakota farm crops. The areas ...
H. Leroy Brooks, The greenbug: a pest in wheat, Kansas State University, June 1989
The two most important aphids occurring on small grain in South Dakota are the greenbug and the Engl...
1 online resource (PDF, 8 pages)This archival publication may not reflect current scientific knowle...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
Each colored plate accompanied by leaf of descriptive letterpress.[Bulletin 8 of the Dept. of entomo...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
Green aphids, named green bugs, were at record levels in 1949 in North Dakota farm crops. The areas ...
H. Leroy Brooks, The greenbug: a pest in wheat, Kansas State University, June 1989
The two most important aphids occurring on small grain in South Dakota are the greenbug and the Engl...
1 online resource (PDF, 8 pages)This archival publication may not reflect current scientific knowle...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...
Each colored plate accompanied by leaf of descriptive letterpress.[Bulletin 8 of the Dept. of entomo...
This archival publication may not reflect current scientific knowledge or recommendations. Current i...