How to identify and control the walnut caterpillar
By: Marion Farris, James E. Appleby. --
Contributors: Appleby, James E.; North Central Forest Experiment Station (Saint Paul, Minn.)
Publisher: North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1978
Place of publication: St. Paul, Minn
Language: eng
Subjects: Caterpillars; Walnut; Diseases and pests