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United States. Bureau of Entomology

Present status of establishment in the United States of imported bulb pests. (Report of bulb pests survey)
Present status of establishment in the United States of imported bulb pests. (Report of bulb pests survey)
United States. Bureau of Entomology
Memorandum regarding the control of insects attacking certain vegetables, small fruits, and tobacco and the elimination of harmful insecticidal residues from the market product
Memorandum regarding the control of insects attacking certain vegetables, small fruits, and tobacco and the elimination of harmful insecticidal residues from the market product
United States. Bureau of Entomology
Spraying for rust mites and scale insects following spraying for melanose
Spraying for rust mites and scale insects following spraying for melanose
United States. Bureau of Entomology
What about the corn borer?
What about the corn borer?
United States. Bureau of Entomology
Circular of information on control of western pine beetle
Circular of information on control of western pine beetle
United States. Bureau of Entomology