The seed corn maggot
By: Bureau of Entomology
Contributors: United States. Department of Agriculture
Series: Truck crop and garden insect investigations, May 1933; Truck crop and garden insect investigations
Publisher: United States Department of Agriculture
Published: 1933
Place of publication: Washington D.C
Language: eng
Subjects: Vegetables; Diseases and pests
Notes: Caption title

"May 1933."