| Publication Type: | Book Chapter |
| Year of Publication: | 1951 |
| Authors: | M. R. Smith |
| Editor: | C. F. Muesebeck, Krombein, K. V., Townes, H. K. |
| Pagination: | 778-875 |
| Publisher: | United States Department of Agriculture. Agriculture Monograph 2:1-1420 |
| Abbreviation: | Hymenoptera of America north of Mexico. Synoptic catalogue |