common red spider or spider mite
By: by H.E. Ewing.
Series: Station bulletin / Oregon Agricultural College Experiment Station -- 121.; Station bulletin (Oregon Agricultural College. Experiment Station) -- 121.
Publisher: Oregon Agricultural College Experiment Station
Published: 1914
Place of publication: Corvallis, Ore
Language: eng
Number of pages: 95
Subjects: Tetranychus telarius.
Notes: Cover title.

Bibliography: p. 88-91.