The coccid genera Chionaspis and Hemichionaspis
By: [by] R. A. Cooley
Series: Hatch Experiment Station of the Massachusetts Agricultural College. Special bulletin; Special bulletin (Hatch Experiment Station of the Massachusetts Agricultural College)
Publisher: Carpenter & Morehouse
Published: 1899
Place of publication: Amherst, Massachusetts
Language: eng
Number of pages: 57
Subjects: Scale insects.