Reference
| Title | The social wasps of the Americas, excluding the Vespinae |
| Type | Book |
| Authors(s) | Richards, O.W. |
| Year | 1978 |
| Pages | 296 pp. |
| Publisher | London |
| Title | The social wasps of the Americas, excluding the Vespinae |
| Type | Book |
| Authors(s) | Richards, O.W. |
| Year | 1978 |
| Pages | 296 pp. |
| Publisher | London |