Hymenoptera of America north of Mexico, 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
Series: Agriculture monograph / United States. Department of Agriculture -- no. 2; Agriculture monograph (United States. Dept. of Agriculture) -- no. 2
Publisher: U.S. G.P.O., for sale by Supt. of Docs.
Published: 1958
Place of publication: Washington
Language: eng
Number of pages: 305
Subjects: Hymenoptera -- North America
Notes: Includes indexes