| Type | Article |
| Authors(s) | Walton, G.A. |
| Year | 1981 |
| Title | Microvelia pygmaea (Dufour, 1833) (Hemiptera: Veliidae), a flightless water bug new to Ireland |
| Volume | 20 |
| Page(s) | 223-228 |
| Published in/Publisher | Irish Naturalist's Journal |
| Type | Article |
| Authors(s) | Walton, G.A. |
| Year | 1981 |
| Title | Microvelia pygmaea (Dufour, 1833) (Hemiptera: Veliidae), a flightless water bug new to Ireland |
| Volume | 20 |
| Page(s) | 223-228 |
| Published in/Publisher | Irish Naturalist's Journal |