| Type | Article |
| Authors(s) | Zettel, H. |
| Year | 2001b |
| Title | Five new species of Perittopus Fieber, 1861 (Hemiptera: Veliidae) from Southeast Asia |
| Volume | 49 |
| Page(s) | 109-119 |
| Published in/Publisher | Raffles Bulletin of Zoology |
| Type | Article |
| Authors(s) | Zettel, H. |
| Year | 2001b |
| Title | Five new species of Perittopus Fieber, 1861 (Hemiptera: Veliidae) from Southeast Asia |
| Volume | 49 |
| Page(s) | 109-119 |
| Published in/Publisher | Raffles Bulletin of Zoology |