Biology and control of Comstock's mealy bug on the umbrella catalpa
By: by W.S. Hough
Series: Technical bulletin / Virginia Agricultural Experiment Station -- 29; Technical bulletin (Virginia Agricultural Experiment Station) -- 29
Publisher: Virginia Agricultural Experiment Station
Published: 1925
Place of publication: Blacksburg, Va
Language: eng
Number of pages: 27
Subjects: Pseudococcus; Catalpa; Diseases and pests
Notes: Cover title.

Bibliography: p. 27.