The corn root-aphis
By: W. P. Flint
Contributors: Illinois. Natural History Survey Division
Series: Illinois. Natural History Survey Division Circular -- 6; Illinois. Natural History Survey Division. Entomological series. Circular -- 4
Publisher: Illinois Natural History Survey
Published: 1919
Place of publication: Urbana, Ill
Language: eng
Notes: Issued originally as Entomological series. Circular 4.