| Type | Article |
| Authors(s) | Usinger, R.L. |
| Year | 1950 |
| Title | The origin and distribution of apterous Aradidae |
| Page(s) | 174-179 |
| Published in/Publisher | Proceedings of the VIIIth International Congress of Entomology |
| Type | Article |
| Authors(s) | Usinger, R.L. |
| Year | 1950 |
| Title | The origin and distribution of apterous Aradidae |
| Page(s) | 174-179 |
| Published in/Publisher | Proceedings of the VIIIth International Congress of Entomology |