Hessian fly
Subtitle: Its ravages, habits, enemies, and means of preventing its increase.
Contributors: Packard, A. S., Jr.; United States Entomological Commission.
Series: Entomological Commission Bull. No. 4
Publisher: U.S. G.P.O.
Published: 1880
Place of publication: Washington, D.C
Format: Microform
Subjects: Hessian flies.