Spring grain aphis or "green bug" in the Southwest and possibilities of outbreak in 1916.

Bibliographic Details

Format:	Government Document eBook
Language:	English
Published:	[Washington] : GPO, 1916.
Series:	Agric. Dept. Old Series Circ. No. 55
Subjects:	Aphids. Pests. Electronic books.
Online Access:	Connect to the full text of this electronic document