Hymenoptera of America north of Mexico
Subtitle: synoptic catalog : first supplement
By: prepared by the staff and collaborators of the Hymenoptera Unit, Insect Identification and Parasite Introduction Laboratories, Entomology Research Division, Agricultural Research Service under the direction of Karl V. Krombein.
Contributors: Krombein, Karl V.; United States. Entomology Research Division.
Series: Agriculture monograph -- no. 2
Publisher: U.S. Government Printing Office, for sale by Supt. of Docs
Published: 1958
Place of publication: Washington
Language: eng
Number of pages: 305
Subjects: Hymenoptera -- North America.; Hymenoptera -- Catalogs.; Hymenoptera -- Bibliography.