The pear thrips situation
By: reported by A.L. Lovett.
Contributors: Oregon Agricultural College. Extension Service.; Oregon Agricultural College. Experiment Station.; Oregon Agricultural College. Dept. of Entomology.
Series: Cir -- 153.; Circular (Oregon Agricultural College. Extension Service) -- 153.
Publisher: Oregon Agricultural College, Experiment Station, Dept. of Entomology
Published: 1919
Place of publication: Corvallis, OR
Language: eng
Subjects: Pear thrips -- California.; Pear thrips -- Oregon.
Notes: Caption title.