The hop aphis in the Pacific region
By: by William B. Parker
Series: Bulletin / United States. Bureau of Entomology -- no. 111; Bulletin (United States. Bureau of Entomology) -- no. 111.
Publisher: U.S. Dept. of Agriculture, Bureau of Entomology
Published: 1913
Place of publication: Washington, D.C
Language: eng
Number of pages: 43
Subjects: Hop-aphis
Notes: Includes bibliographical references and index.