| Type | Article |
| Authors(s) | Ossiannilsson, F. |
| Year | 1967 |
| Title | On the lectotypes of Psallus lapponicus Reuter and Psallus piceae Reuter (Hem., Heteropt.) |
| Volume | 88 |
| Page(s) | 87-88 |
| Published in/Publisher | Entomologisk Tidskrift |
| Type | Article |
| Authors(s) | Ossiannilsson, F. |
| Year | 1967 |
| Title | On the lectotypes of Psallus lapponicus Reuter and Psallus piceae Reuter (Hem., Heteropt.) |
| Volume | 88 |
| Page(s) | 87-88 |
| Published in/Publisher | Entomologisk Tidskrift |