Content Description

The Entomology Lantern Slide Collection consists of glass positive images of insects, a lantern slide projector, and some unidentified equipment.

Content Description The USDA Bureau of Entomology and Plant Quarantine Collection contains materials related to the Japanese beetle, the mountain pine beetle, and Dutch elm disease. There are black and white photographs, bark samples, insect specimens, and framed examples of foliage damage from the insects. Text accompanies the samples. In 2018, ten undated postcards were added from the Bureau of Entomology, depicting mostly parasites of the gypsy moth and the brown-tail moth, as well as representing the gypsy...

Content Description The USDA Sugar Crops Section Records include data sheets, reports, and manuscripts written by various employees; slides, negatives, and photographs of sugar beets; correspondence of George Herbert Coons and Dewey Stewart; and other research files related to sugar beets. The materials are primarily from the administrations of George Herbert Coons and Dewey Stewart. Coons was the principal pathologist of the Division of Sugar Plant Investigations, Bureau of Plant Industry during the 1930s and...