The basis for treatment of products where fruitflies are involved as a condition for entry into the United States
By: by A.C. Barker
Series: Circular / United States Department of Agriculture -- no. 551; Circular (United States. Dept. of Agriculture) -- no. 551.
Publisher: U.S. Dept. of Agriculture
Published: 1939
Place of publication: Washington, D.C
Language: eng
Subjects: Control; Fruit-flies
Notes: Caption title.

"Contribution from Bureau of Entomology and Plant Quarantine."