| Type | Article |
| Authors(s) | Ferris, G.F. & R.L. Usinger |
| Year | 1939 |
| Title | The family Polyctenidae (Hemiptera: Heteroptera) |
| Volume | 4 |
| Page(s) | 1-50 |
| Published in/Publisher | Microentomology |
| Type | Article |
| Authors(s) | Ferris, G.F. & R.L. Usinger |
| Year | 1939 |
| Title | The family Polyctenidae (Hemiptera: Heteroptera) |
| Volume | 4 |
| Page(s) | 1-50 |
| Published in/Publisher | Microentomology |