| Type | Article |
| Authors(s) | Usui, T., S. Miyamoto & S. Hayashi |
| Year | 1997 |
| Title | Occurrence of Gerris (Gerris) lacustris (Heteroptera, Gerridae) in Hokkaido, Japan |
| Volume | 65 |
| Page(s) | 217-218 |
| Published in/Publisher | Japanese Journal of Entomology |
| Type | Article |
| Authors(s) | Usui, T., S. Miyamoto & S. Hayashi |
| Year | 1997 |
| Title | Occurrence of Gerris (Gerris) lacustris (Heteroptera, Gerridae) in Hokkaido, Japan |
| Volume | 65 |
| Page(s) | 217-218 |
| Published in/Publisher | Japanese Journal of Entomology |