The Hessian fly
Subtitle: its ravages, habits, enemies, and means of preventing its increase
By: by A. S. Packard, Jr., M. D.
Series: Bulletin -- no. 4; Bulletin (United States. Entomological Commission) -- no. 2.
Publisher: Government Printing Office
Published: 1880
Place of publication: Washington
Language: eng
Number of pages: 43
Subjects: Hessian fly