Reports of observations and experiments in the practical work of the Division, made under the direction of the Entomologist.
Contributors: United States. Division of Entomology.
Series: Bulletin / U.S. Department of Agriculture, Division of Entomology -- no. 3, 4, 14, 22, 23, 26, 30, 32; Bulletin (United States. Division of Entomology) -- no. 3, etc.
Publisher: U.S. G.P.O.
Published: 1883
Place of publication: Washington
Language: eng
Subjects: Entomology -- Research -- United States.; Insect pests.; Beneficial insects.