| Type | Article |
| Authors(s) | Knight, H.H. |
| Year | 1930b |
| Title | New species of Psallus Fieb. (Hemiptera, Miridae) |
| Volume | 62 |
| Page(s) | 125-131 |
| Published in/Publisher | Canadian Entomologist |
| Type | Article |
| Authors(s) | Knight, H.H. |
| Year | 1930b |
| Title | New species of Psallus Fieb. (Hemiptera, Miridae) |
| Volume | 62 |
| Page(s) | 125-131 |
| Published in/Publisher | Canadian Entomologist |