The species of Pantomorus of America north of Mexico /
by L.L. Buchanan.
- Washington, D.C. : U.S. Dept. of Agriculture, 1939.
- 40 p. : ill. ; 23 cm.
- Miscellaneous publication / United States Department of Agriculture ; no. 341 .
- Miscellaneous publication (United States. Department of Agriculture) ; no. 341. .
Caption title. Contribution from Bureau of Entomology and Plant Quarantine.