Hymenoptera of America north of Mexico : Synoptic catalog /
Muesebeck, C. F. W.
Hymenoptera of America north of Mexico : Synoptic catalog / by C. F. W. Muesebeck and Karl V. Krombein - Washington, D. F. : U. S. Government printing office - 1419 p.
205138
Himenopteros -- Estados Unidos
Insectos -- catalogos y colecciones
PA 595.79 M8 1951
Hymenoptera of America north of Mexico : Synoptic catalog / by C. F. W. Muesebeck and Karl V. Krombein - Washington, D. F. : U. S. Government printing office - 1419 p.
205138
Himenopteros -- Estados Unidos
Insectos -- catalogos y colecciones
PA 595.79 M8 1951