The corn leaf-aphis and corn root-aphis
Subtitle: F. M. Webster
Contributors: United States. Bureau of Entomology; United States. Dept. of Agriculture
Series: Circular / U. S. Dept. of Agriculture. Bureau of Entomology -- no. 86; Circular (United States. Bureau of Entomology) -- no.86.
Publisher: U.S. Dept. of Agriculture, Bureau of Entomology
Published: 1907
Place of publication: Washington, D.C
Language: eng
Number of pages: 13
Subjects: Agricultural pests; Corn root-aphis; Aphis; Corn; Aphids; Diseases and pests
Notes: Circular No. 86.

"Issued May 6, 1907."

At head of title:  United States Department of Agriculture, Bureau of Entomology.
Table of contents: title: The corn leaf-aphis. pp. 1.; title: Appearance and habits. pp. 2.; title: Field experiences. pp. 3.; title: The corn-root aphis. pp. 4.; title: Description; title: The root-aphis and lttle brown ant; title: Life history and habits of the root-aphis. pp. 5.; title: Winged females of the root-aphis. pp. 7.; title: Influences likely to produce females; title: The ant's care for eggs and young of the root-aphis. pp. 8.; title: Natural enemies of the root-aphis; title: Preventive and remedial measures; title: Crop rotation. pp. 9.; title: Stirring the soil after plowing and before cultivating the crop; title: Late fall or winter plowing. pp. 10.; title: The use of barnyard manure. pp. 11.; title: Experiments in driving the ants from the roots of corn in the field; title: Treating the seed before planting. pp. 12.