Books by Mary F. Benson:
Books in the extended shelves:
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Benson, Mary F.: Colorado potato beetle (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1937), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)- Benson, Mary F.: Corn earworm (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
- Benson, Mary F.: Fall armyworm (Laphygma frugiperda (S. and A.)) (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
- Benson, Mary F.: Gladiolus thrips (Taeniothrips simplex Mor.) (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
- Benson, Mary F.: Harlequin bug (Murgantia histrionica Hahn) (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
- Benson, Mary F.: Imported cabbage worm (Pieris rapae (L.)) (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
- Benson, Mary F.: Mexican bean beetle (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1937), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
- Benson, Mary F.: Potato leafhopper (Empoasca fabae (Harr.)) (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
- Benson, Mary F.: Squash borer (Melittia satyriniformis Hbn.) (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
- Benson, Mary F.: Striped cucumber beetle (Diabrotica vittata (F.)) (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
- Benson, Mary F.: Tomato fruitworm (Heliothis armigera (Hbn.)) (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
- Benson, Mary F.: Tomato hornworms (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1937), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
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