Brief Summary
provided by Catalog of Hymenoptera in America North of Mexico
This is a large assemblage of both pollen-collecting and parasitic bees. It is found on all the continents although it is especially well represented in the Holarctic, Ethiopian and Neotropical regions. The current classification recognizes about a dozen tribes of which seven are represented in America north of Mexico. Insofar as known, all of the pollen-collecting species line their cells with a waxlike substance.
- bibliographic citation
- Catalog of Hymenoptera in America North of Mexico. 1979. Prepared cooperatively by specialists on the various groups of Hymenoptera under the direction of Karl V. Krombein and Paul D. Hurd, Jr., Smithsonian Institution, and David R. Smith and B. D. Burks, Systematic Entomology Laboratory, Insect Identification and Beneficial Insect Introduction Institute. Science and Education Administration, United States Department of Agriculture.
