The imported cabbage webworm [Hellula undalis Fab.]
By F. H. Chittenden and H. O. Marsh.
- Washington, Govt. print. off., 1912.
- iii p., p. 23-45. illus. 23 cm.
- U. S. Dept. of agriculture. Bureau of entomology. Bulletin no. 109, pt. 3. Papers on insects affecting vegetables .
- United States. Bureau of Entomology. Bulletin ; no. 109, pt. 3. .