| Publication Type: | Report |
| Year of Publication: | 1907 |
| Authors: | L. O. Howard |
| Series Title: | Technical Series, Bureau of Entomology, United States Department of Agriculture |
| Document Number: | 4 |
| Pagination: | 69-88 |
| Date Published: | 12-Jul-07 |
| Accession Number: | Howard907c |