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Hartford Hammond Keifer | |
|---|---|
| Born | 24 January 1902 |
| Died | August 20, 1986 (aged 84) Sacramento, California, US |
| Alma mater | University of California, Berkeley |
| Scientific career | |
| Fields | zoology eriophyid mites microlepidoptera |
| Institutions | California Academy of Sciences California Department of Agriculture |
Hartford Hammond Keifer (24 January 1902 – 20 August 1986) was a world authority on eriophyid mites. Based in California, he initially studied the local microlepidoptera before turning to mites in 1937.