1. The biology of social insects : proceedings of the Ninth Congress of the International Union for the Study of Social Insects, Boulder, Colorado, August 1982 /: proceedings of the Ninth Congress of the International Union for the Study of Social Insects, Boulder, Colorado, August 1982. (2019) Other Names: Breed, Michael D; Michener, Charles D (Charles Duncan), 1918-2015; Evans, Howard Ensign; International Union for the Study of Social Insects., Congress, (9th) 1982 (Boulder, Colo.) Record Type: Book Extent: 1 online resource (420 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗