A preliminary report on the sugarbeet wireworm.
Graf, J. E. 1889-
A preliminary report on the sugarbeet wireworm. By John E. Graf. - Washington, Govt. print. off., 1914. - 68 p. incl. illus., map, tables, diagrs. xxiii pl. on 14 I. 23 cm. - U.S. Dept. of agriculture. Bureau of entomology. Bulletin no. 123 .
Bibliography: p. 64.
agr14000193
Sugar beet--Diseases and pests.
Sugar-beet wireworm.
SB741.S7 / G8
A preliminary report on the sugarbeet wireworm. By John E. Graf. - Washington, Govt. print. off., 1914. - 68 p. incl. illus., map, tables, diagrs. xxiii pl. on 14 I. 23 cm. - U.S. Dept. of agriculture. Bureau of entomology. Bulletin no. 123 .
Bibliography: p. 64.
agr14000193
Sugar beet--Diseases and pests.
Sugar-beet wireworm.
SB741.S7 / G8