Lewis Hart Weld (1875-1964) was an American

entomologist Entomology () is the scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such as arach ...

, who worked for the

United States Department of Agriculture The United States Department of Agriculture (USDA) is the United States federal executive departments, federal executive department responsible for developing and executing federal laws related to farming, forestry, rural economic development, ...

(USDA).Weld, Lewis Hart at Smithsonian Institution Archives
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Education

Lewis Weld attended the

University of Rochester The University of Rochester (U of R, UR, or U of Rochester) is a private research university in Rochester, New York. The university grants undergraduate and graduate degrees, including doctoral and professional degrees. The University of Roc ...

University of Michigan , mottoeng = "Arts, Knowledge, Truth" , former_names = Catholepistemiad, or University of Michigania (1817–1821) , budget = $10.3 billion (2021) , endowment = $17 billion (2021)As o ...

, and

University of Cornell Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to teach an ...

, where he studied entomology. In 1904, Weld went to teach at Evanston Academy, where he began his lifelong research of

gall wasps Gall wasps, also incorrectly called gallflies, are hymenopterans of the family Cynipidae in the wasp superfamily Cynipoidea. Their common name comes from the galls they induce on plants for larval development. About 1,300 species of this genera ...

Career

Weld made several field trips during his career; in 1919, and another from 1923 to 1924. During this time he worked for the

Bureau of Entomology The Bureau of Entomology was a unit within the Federal government of the United States from 1894 to 1934. It developed from a section of the Department of Agriculture which had been working on entomological researches and allied issues relating to ...

of the USDA. Lewis Weld resigned his official position in 1924, but continued to independently pursue his interests, and continued to collaborate with the USDA for over 40 years.

Personal life

Weld married

plant pathologist Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungus, fung ...

Clara Octavia Jamieson in 1915; they did not have any children.

References

American entomologists Smithsonian Institution people 1875 births 1964 deaths University of Michigan alumni {{Smithsonian-stub