Boll worm of cotton
Subtitle: report of progress in supplementary investigation of this insect
Contributors: Mally, Frederick W. 1868-1939.
Series: Entomology Bur. Bull. Old Series No. 24
Publisher: U.S. G.P.O.
Published: 1891
Place of publication: [Washington, D.C.]
Format: Microform
Subjects: Heliothis zea.