Grass and grain joint-worm flies and their allies
Subtitle: consideration of some North American phytophagic Eurytominae.
Contributors: Howard, L. O. 1857-1950.
Series: Entomology Bur. Technical Series No. 2
Publisher: U.S. G.P.O.
Published: 1896
Place of publication: [Washington, D.C.]
Format: Microform
Subjects: Joint-worm flies.