Pear borer
By: by Fred E. Brooks
Series: Bulletin / United States Department of Agriculture -- no. 887; Bulletin of the U.S. Department of Agriculture -- no. 887.
Publisher: U.S. Dept. of Agriculture
Published: 1920
Place of publication: Washington, D.C
Language: eng
Subjects: Pear fruit-borer; Pear; Diseases and pests
Notes: Caption title.

"September 29, 1920."