J. S. Houser

1881

• Experiments with sulphur sprays for the fall treatment of the San Jose scale
• Grasshoppers
• Spraying for the San Jose scale
• The codling moth
• The more important insects affecting Ohio shade trees
• The pink and green aphid of potato
• The San Jose scale, the oyster shell bark louse and the scurfy bark louse
• The wheat joint worm
• The wheat leaf miner