Hop aphis in Pacific region.

Bibliographic Details

Format:	Government Document eBook
Language:	English
Published:	[Washington] : GPO, 1913.
Series:	Entomology Bur. Bull. New Series No. 111
Subjects:	Aphids. Hops. Pesticides. Pests. Electronic books.
Online Access:	Connect to the full text of this electronic document