L. C. Beckwith

• Tamarack mortality due to larch sawfly defoliation increases in Minnesota
• The forest insect situation in the Lake States in 1953
• Weather station records not an accurate guide to temperatures lethal to the shoot moth
• Larch sawfly conditions in the Lake States in 1953
• Larch sawfly conditions in the Lake States in 1954
• The forest insect and disease situation, Lake States, 1956
• The forest insect situation, Lake States 1955
• The more important forest insects in the Lake States in 1954